/**
 * Copyright (c) 2006-2015, JGraph Ltd
 */

/**
 * Registers shapes.
 */
(function () {
  // LATER: Use this to implement striping
  function paintTableBackground(state, c, x, y, w, h, r) {
    if (state != null) {
      var graph = state.view.graph;
      var start = graph.getActualStartSize(state.cell);
      var rows = graph.model.getChildCells(state.cell, true);

      if (rows.length > 0) {
        var events = false;

        if (this.style != null) {
          events = mxUtils.getValue(this.style, mxConstants.STYLE_POINTER_EVENTS, '1') == '1';
        }

        if (!events) {
          c.pointerEvents = false;
        }

        var evenRowColor = mxUtils.getValue(state.style,
          'evenRowColor', mxConstants.NONE);
        var oddRowColor = mxUtils.getValue(state.style,
          'oddRowColor', mxConstants.NONE);
        var evenColColor = mxUtils.getValue(state.style,
          'evenColumnColor', mxConstants.NONE);
        var oddColColor = mxUtils.getValue(state.style,
          'oddColumnColor', mxConstants.NONE);
        var cols = graph.model.getChildCells(rows[0], true);

        // Paints column backgrounds
        for (var i = 0; i < cols.length; i++) {
          var clr = (mxUtils.mod(i, 2) == 1) ? evenColColor : oddColColor;
          var geo = graph.getCellGeometry(cols[i]);

          if (geo != null && clr != mxConstants.NONE) {
            c.setFillColor(clr);
            c.begin();
            c.moveTo(x + geo.x, y + start.y);

            if (r > 0 && i == cols.length - 1) {
              c.lineTo(x + geo.x + geo.width - r, y);
              c.quadTo(x + geo.x + geo.width, y, x + geo.x + geo.width, y + r);
              c.lineTo(x + geo.x + geo.width, y + h - r);
              c.quadTo(x + geo.x + geo.width, y + h, x + geo.x + geo.width - r, y + h);
            } else {
              c.lineTo(x + geo.x + geo.width, y + start.y);
              c.lineTo(x + geo.x + geo.width, y + h - start.height);
            }

            c.lineTo(x + geo.x, y + h);
            c.close();
            c.fill();
          }
        }

        // Paints row backgrounds
        for (var i = 0; i < rows.length; i++) {
          var clr = (mxUtils.mod(i, 2) == 1) ? evenRowColor : oddRowColor;
          var geo = graph.getCellGeometry(rows[i]);

          if (geo != null && clr != mxConstants.NONE) {
            var b = (i == rows.length - 1) ? y + h : y + geo.y + geo.height;
            c.setFillColor(clr);

            c.begin();
            c.moveTo(x + start.x, y + geo.y);
            c.lineTo(x + w - start.width, y + geo.y);

            if (r > 0 && i == rows.length - 1) {
              c.lineTo(x + w, b - r);
              c.quadTo(x + w, b, x + w - r, b);
              c.lineTo(x + r, b);
              c.quadTo(x, b, x, b - r);
            } else {
              c.lineTo(x + w - start.width, b);
              c.lineTo(x + start.x, b);
            }

            c.close();
            c.fill();
          }
        }
      }
    }
  };

  // Table Shape
  function TableShape() {
    mxSwimlane.call(this);
  };

  mxUtils.extend(TableShape, mxSwimlane);

  TableShape.prototype.getLabelBounds = function (rect) {
    var start = this.getTitleSize();

    if (start == 0) {
      return mxShape.prototype.getLabelBounds.apply(this, arguments);
    } else {
      return mxSwimlane.prototype.getLabelBounds.apply(this, arguments);
    }
  };

  TableShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    // LATER: Split background to add striping
    //paintTableBackground(this.state, c, x, y, w, h);

    var start = this.getTitleSize();

    if (start == 0) {
      mxRectangleShape.prototype.paintBackground.apply(this, arguments);
    } else {
      mxSwimlane.prototype.paintVertexShape.apply(this, arguments);
      c.translate(-x, -y);
    }

    this.paintForeground(c, x, y, w, h);
  };

  TableShape.prototype.paintForeground = function (c, x, y, w, h) {
    if (this.state != null) {
      var flipH = this.flipH;
      var flipV = this.flipV;

      if (this.direction == mxConstants.DIRECTION_NORTH || this.direction == mxConstants.DIRECTION_SOUTH) {
        var tmp = flipH;
        flipH = flipV;
        flipV = tmp;
      }

      // Negative transform to avoid save/restore
      c.rotate(-this.getShapeRotation(), flipH, flipV, x + w / 2, y + h / 2);

      s = this.scale;
      x = this.bounds.x / s;
      y = this.bounds.y / s;
      w = this.bounds.width / s;
      h = this.bounds.height / s;
      this.paintTableForeground(c, x, y, w, h);
    }
  };

  TableShape.prototype.paintTableForeground = function (c, x, y, w, h) {
    var graph = this.state.view.graph;
    var start = graph.getActualStartSize(this.state.cell);
    var rows = graph.model.getChildCells(this.state.cell, true);

    if (rows.length > 0) {
      var rowLines = mxUtils.getValue(this.state.style,
        'rowLines', '1') != '0';
      var columnLines = mxUtils.getValue(this.state.style,
        'columnLines', '1') != '0';

      // Paints row lines
      if (rowLines) {
        for (var i = 1; i < rows.length; i++) {
          var geo = graph.getCellGeometry(rows[i]);

          if (geo != null) {
            c.begin();
            c.moveTo(x + start.x, y + geo.y);
            c.lineTo(x + w - start.width, y + geo.y);
            c.end();
            c.stroke();
          }
        }
      }

      if (columnLines) {
        var cols = graph.model.getChildCells(rows[0], true);

        // Paints column lines
        for (var i = 1; i < cols.length; i++) {
          var geo = graph.getCellGeometry(cols[i]);

          if (geo != null) {
            c.begin();
            c.moveTo(x + geo.x + start.x, y + start.y);
            c.lineTo(x + geo.x + start.x, y + h - start.height);
            c.end();
            c.stroke();
          }
        }
      }
    }
  };

  mxCellRenderer.registerShape('table', TableShape);

  // Cube Shape, supports size style
  function CubeShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(CubeShape, mxCylinder);
  CubeShape.prototype.size = 20;
  CubeShape.prototype.darkOpacity = 0;
  CubeShape.prototype.darkOpacity2 = 0;

  CubeShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    var s = Math.max(0, Math.min(w, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size)))));
    var op = Math.max(-1, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'darkOpacity', this.darkOpacity))));
    var op2 = Math.max(-1, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'darkOpacity2', this.darkOpacity2))));
    c.translate(x, y);

    c.begin();
    c.moveTo(0, 0);
    c.lineTo(w - s, 0);
    c.lineTo(w, s);
    c.lineTo(w, h);
    c.lineTo(s, h);
    c.lineTo(0, h - s);
    c.lineTo(0, 0);
    c.close();
    c.end();
    c.fillAndStroke();

    if (!this.outline) {
      c.setShadow(false);

      if (op != 0) {
        c.setFillAlpha(Math.abs(op));
        c.setFillColor((op < 0) ? '#FFFFFF' : '#000000');
        c.begin();
        c.moveTo(0, 0);
        c.lineTo(w - s, 0);
        c.lineTo(w, s);
        c.lineTo(s, s);
        c.close();
        c.fill();
      }

      if (op2 != 0) {
        c.setFillAlpha(Math.abs(op2));
        c.setFillColor((op2 < 0) ? '#FFFFFF' : '#000000');
        c.begin();
        c.moveTo(0, 0);
        c.lineTo(s, s);
        c.lineTo(s, h);
        c.lineTo(0, h - s);
        c.close();
        c.fill();
      }

      c.begin();
      c.moveTo(s, h);
      c.lineTo(s, s);
      c.lineTo(0, 0);
      c.moveTo(s, s);
      c.lineTo(w, s);
      c.end();
      c.stroke();
    }
  };
  CubeShape.prototype.getLabelMargins = function (rect) {
    if (mxUtils.getValue(this.style, 'boundedLbl', false)) {
      var s = parseFloat(mxUtils.getValue(this.style, 'size', this.size)) * this.scale;

      return new mxRectangle(s, s, 0, 0);
    }

    return null;
  };

  mxCellRenderer.registerShape('cube', CubeShape);

  var tan30 = Math.tan(mxUtils.toRadians(30));
  var tan30Dx = (0.5 - tan30) / 2;

  // Cube Shape, supports size style
  function IsoRectangleShape() {
    mxActor.call(this);
  };
  mxUtils.extend(IsoRectangleShape, mxActor);
  IsoRectangleShape.prototype.size = 20;
  IsoRectangleShape.prototype.redrawPath = function (path, x, y, w, h) {
    var m = Math.min(w, h / tan30);

    path.translate((w - m) / 2, (h - m) / 2 + m / 4);
    path.moveTo(0, 0.25 * m);
    path.lineTo(0.5 * m, m * tan30Dx);
    path.lineTo(m, 0.25 * m);
    path.lineTo(0.5 * m, (0.5 - tan30Dx) * m);
    path.lineTo(0, 0.25 * m);
    path.close();
    path.end();
  };

  mxCellRenderer.registerShape('isoRectangle', IsoRectangleShape);

  // Cube Shape, supports size style
  function IsoCubeShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(IsoCubeShape, mxCylinder);
  IsoCubeShape.prototype.size = 20;
  IsoCubeShape.prototype.redrawPath = function (path, x, y, w, h, isForeground) {
    var m = Math.min(w, h / (0.5 + tan30));

    if (isForeground) {
      path.moveTo(0, 0.25 * m);
      path.lineTo(0.5 * m, (0.5 - tan30Dx) * m);
      path.lineTo(m, 0.25 * m);
      path.moveTo(0.5 * m, (0.5 - tan30Dx) * m);
      path.lineTo(0.5 * m, (1 - tan30Dx) * m);
      path.end();
    } else {
      path.translate((w - m) / 2, (h - m) / 2);
      path.moveTo(0, 0.25 * m);
      path.lineTo(0.5 * m, m * tan30Dx);
      path.lineTo(m, 0.25 * m);
      path.lineTo(m, 0.75 * m);
      path.lineTo(0.5 * m, (1 - tan30Dx) * m);
      path.lineTo(0, 0.75 * m);
      path.close();
      path.end();
    }
  };

  mxCellRenderer.registerShape('isoCube', IsoCubeShape);

  // DataStore Shape, supports size style
  function DataStoreShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(DataStoreShape, mxCylinder);

  DataStoreShape.prototype.redrawPath = function (c, x, y, w, h, isForeground) {
    var dy = Math.min(h / 2, Math.round(h / 8) + this.strokewidth - 1);

    if ((isForeground && this.fill != null) || (!isForeground && this.fill == null)) {
      c.moveTo(0, dy);
      c.curveTo(0, 2 * dy, w, 2 * dy, w, dy);

      // Needs separate shapes for correct hit-detection
      if (!isForeground) {
        c.stroke();
        c.begin();
      }

      c.translate(0, dy / 2);
      c.moveTo(0, dy);
      c.curveTo(0, 2 * dy, w, 2 * dy, w, dy);

      // Needs separate shapes for correct hit-detection
      if (!isForeground) {
        c.stroke();
        c.begin();
      }

      c.translate(0, dy / 2);
      c.moveTo(0, dy);
      c.curveTo(0, 2 * dy, w, 2 * dy, w, dy);

      // Needs separate shapes for correct hit-detection
      if (!isForeground) {
        c.stroke();
        c.begin();
      }

      c.translate(0, -dy);
    }

    if (!isForeground) {
      c.moveTo(0, dy);
      c.curveTo(0, -dy / 3, w, -dy / 3, w, dy);
      c.lineTo(w, h - dy);
      c.curveTo(w, h + dy / 3, 0, h + dy / 3, 0, h - dy);
      c.close();
    }
  };
  DataStoreShape.prototype.getLabelMargins = function (rect) {
    return new mxRectangle(0, 2.5 * Math.min(rect.height / 2,
      Math.round(rect.height / 8) + this.strokewidth - 1), 0, 0);
  }

  mxCellRenderer.registerShape('datastore', DataStoreShape);

  // Note Shape, supports size style
  function NoteShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(NoteShape, mxCylinder);
  NoteShape.prototype.size = 30;
  NoteShape.prototype.darkOpacity = 0;

  NoteShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    var s = Math.max(0, Math.min(w, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size)))));
    var op = Math.max(-1, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'darkOpacity', this.darkOpacity))));
    c.translate(x, y);

    c.begin();
    c.moveTo(0, 0);
    c.lineTo(w - s, 0);
    c.lineTo(w, s);
    c.lineTo(w, h);
    c.lineTo(0, h);
    c.lineTo(0, 0);
    c.close();
    c.end();
    c.fillAndStroke();

    if (!this.outline) {
      c.setShadow(false);

      if (op != 0) {
        c.setFillAlpha(Math.abs(op));
        c.setFillColor((op < 0) ? '#FFFFFF' : '#000000');
        c.begin();
        c.moveTo(w - s, 0);
        c.lineTo(w - s, s);
        c.lineTo(w, s);
        c.close();
        c.fill();
      }

      c.begin();
      c.moveTo(w - s, 0);
      c.lineTo(w - s, s);
      c.lineTo(w, s);
      c.end();
      c.stroke();
    }
  };

  mxCellRenderer.registerShape('note', NoteShape);

  // Note Shape, supports size style
  function SwitchShape() {
    mxActor.call(this);
  };
  mxUtils.extend(SwitchShape, mxActor);
  SwitchShape.prototype.redrawPath = function (c, x, y, w, h) {
    var curve = 0.5;
    c.moveTo(0, 0);
    c.quadTo(w / 2, h * curve, w, 0);
    c.quadTo(w * (1 - curve), h / 2, w, h);
    c.quadTo(w / 2, h * (1 - curve), 0, h);
    c.quadTo(w * curve, h / 2, 0, 0);
    c.end();
  };

  mxCellRenderer.registerShape('switch', SwitchShape);

  // Folder Shape, supports tabWidth, tabHeight styles
  function FolderShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(FolderShape, mxCylinder);
  FolderShape.prototype.tabWidth = 60;
  FolderShape.prototype.tabHeight = 20;
  FolderShape.prototype.tabPosition = 'right';
  FolderShape.prototype.redrawPath = function (path, x, y, w, h, isForeground) {
    var dx = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'tabWidth', this.tabWidth))));
    var dy = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'tabHeight', this.tabHeight))));
    var tp = mxUtils.getValue(this.style, 'tabPosition', this.tabPosition);

    if (isForeground) {
      if (tp == 'left') {
        path.moveTo(0, dy);
        path.lineTo(dx, dy);
      }
      // Right is default
      else {
        path.moveTo(w - dx, dy);
        path.lineTo(w, dy);
      }

      path.end();
    } else {
      if (tp == 'left') {
        path.moveTo(0, 0);
        path.lineTo(dx, 0);
        path.lineTo(dx, dy);
        path.lineTo(w, dy);
      }
      // Right is default
      else {
        path.moveTo(0, dy);
        path.lineTo(w - dx, dy);
        path.lineTo(w - dx, 0);
        path.lineTo(w, 0);
      }

      path.lineTo(w, h);
      path.lineTo(0, h);
      path.lineTo(0, dy);
      path.close();
      path.end();
    }
  };

  mxCellRenderer.registerShape('folder', FolderShape);

  // Card shape
  function CardShape() {
    mxActor.call(this);
  };
  mxUtils.extend(CardShape, mxActor);
  CardShape.prototype.size = 30;
  CardShape.prototype.isRoundable = function () {
    return true;
  };
  CardShape.prototype.redrawPath = function (c, x, y, w, h) {
    var s = Math.max(0, Math.min(w, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size)))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(s, 0), new mxPoint(w, 0), new mxPoint(w, h), new mxPoint(0, h), new mxPoint(0, s)],
      this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('card', CardShape);

  // Tape shape
  function TapeShape() {
    mxActor.call(this);
  };
  mxUtils.extend(TapeShape, mxActor);
  TapeShape.prototype.size = 0.4;
  TapeShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dy = h * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var fy = 1.4;

    c.moveTo(0, dy / 2);
    c.quadTo(w / 4, dy * fy, w / 2, dy / 2);
    c.quadTo(w * 3 / 4, dy * (1 - fy), w, dy / 2);
    c.lineTo(w, h - dy / 2);
    c.quadTo(w * 3 / 4, h - dy * fy, w / 2, h - dy / 2);
    c.quadTo(w / 4, h - dy * (1 - fy), 0, h - dy / 2);
    c.lineTo(0, dy / 2);
    c.close();
    c.end();
  };

  TapeShape.prototype.getLabelBounds = function (rect) {
    if (mxUtils.getValue(this.style, 'boundedLbl', false)) {
      var size = mxUtils.getValue(this.style, 'size', this.size);
      var w = rect.width;
      var h = rect.height;

      if (this.direction == null ||
        this.direction == mxConstants.DIRECTION_EAST ||
        this.direction == mxConstants.DIRECTION_WEST) {
        var dy = h * size;

        return new mxRectangle(rect.x, rect.y + dy, w, h - 2 * dy);
      } else {
        var dx = w * size;

        return new mxRectangle(rect.x + dx, rect.y, w - 2 * dx, h);
      }
    }

    return rect;
  };

  mxCellRenderer.registerShape('tape', TapeShape);

  // Document shape
  function DocumentShape() {
    mxActor.call(this);
  };
  mxUtils.extend(DocumentShape, mxActor);
  DocumentShape.prototype.size = 0.3;
  DocumentShape.prototype.getLabelMargins = function (rect) {
    if (mxUtils.getValue(this.style, 'boundedLbl', false)) {
      return new mxRectangle(0, 0, 0, parseFloat(mxUtils.getValue(
        this.style, 'size', this.size)) * rect.height);
    }

    return null;
  };
  DocumentShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dy = h * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var fy = 1.4;

    c.moveTo(0, 0);
    c.lineTo(w, 0);
    c.lineTo(w, h - dy / 2);
    c.quadTo(w * 3 / 4, h - dy * fy, w / 2, h - dy / 2);
    c.quadTo(w / 4, h - dy * (1 - fy), 0, h - dy / 2);
    c.lineTo(0, dy / 2);
    c.close();
    c.end();
  };

  mxCellRenderer.registerShape('document', DocumentShape);

  var cylinderGetCylinderSize = mxCylinder.prototype.getCylinderSize;

  mxCylinder.prototype.getCylinderSize = function (x, y, w, h) {
    var size = mxUtils.getValue(this.style, 'size');

    if (size != null) {
      return h * Math.max(0, Math.min(1, size));
    } else {
      return cylinderGetCylinderSize.apply(this, arguments);
    }
  };

  mxCylinder.prototype.getLabelMargins = function (rect) {
    if (mxUtils.getValue(this.style, 'boundedLbl', false)) {
      var size = mxUtils.getValue(this.style, 'size', 0.15) * 2;

      return new mxRectangle(0, Math.min(this.maxHeight * this.scale, rect.height * size), 0, 0);
    }

    return null;
  };

  // Parallelogram shape
  function ParallelogramShape() {
    mxActor.call(this);
  };
  mxUtils.extend(ParallelogramShape, mxActor);
  ParallelogramShape.prototype.size = 0.2;
  ParallelogramShape.prototype.isRoundable = function () {
    return true;
  };
  ParallelogramShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dx = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, h), new mxPoint(dx, 0), new mxPoint(w, 0), new mxPoint(w - dx, h)],
      this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('parallelogram', ParallelogramShape);

  // Trapezoid shape
  function TrapezoidShape() {
    mxActor.call(this);
  };
  mxUtils.extend(TrapezoidShape, mxActor);
  TrapezoidShape.prototype.size = 0.2;
  TrapezoidShape.prototype.isRoundable = function () {
    return true;
  };
  TrapezoidShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dx = w * Math.max(0, Math.min(0.5, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, h), new mxPoint(dx, 0), new mxPoint(w - dx, 0), new mxPoint(w, h)],
      this.isRounded, arcSize, true);
  };

  mxCellRenderer.registerShape('trapezoid', TrapezoidShape);

  // Curly Bracket shape
  function CurlyBracketShape() {
    mxActor.call(this);
  };
  mxUtils.extend(CurlyBracketShape, mxActor);
  CurlyBracketShape.prototype.size = 0.5;
  CurlyBracketShape.prototype.redrawPath = function (c, x, y, w, h) {
    c.setFillColor(null);
    var s = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(w, 0), new mxPoint(s, 0), new mxPoint(s, h / 2),
      new mxPoint(0, h / 2), new mxPoint(s, h / 2), new mxPoint(s, h),
      new mxPoint(w, h)], this.isRounded, arcSize, false);
    c.end();
  };

  mxCellRenderer.registerShape('curlyBracket', CurlyBracketShape);

  // Parallel marker shape
  function ParallelMarkerShape() {
    mxActor.call(this);
  };
  mxUtils.extend(ParallelMarkerShape, mxActor);
  ParallelMarkerShape.prototype.redrawPath = function (c, x, y, w, h) {
    c.setStrokeWidth(1);
    c.setFillColor(this.stroke);
    var w2 = w / 5;
    c.rect(0, 0, w2, h);
    c.fillAndStroke();
    c.rect(2 * w2, 0, w2, h);
    c.fillAndStroke();
    c.rect(4 * w2, 0, w2, h);
    c.fillAndStroke();
  };

  mxCellRenderer.registerShape('parallelMarker', ParallelMarkerShape);

  /**
   * Adds handJiggle style (jiggle=n sets jiggle)
   */
  function HandJiggle(canvas, defaultVariation) {
    this.canvas = canvas;

    // Avoids "spikes" in the output
    this.canvas.setLineJoin('round');
    this.canvas.setLineCap('round');

    this.defaultVariation = defaultVariation;

    this.originalLineTo = this.canvas.lineTo;
    this.canvas.lineTo = mxUtils.bind(this, HandJiggle.prototype.lineTo);

    this.originalMoveTo = this.canvas.moveTo;
    this.canvas.moveTo = mxUtils.bind(this, HandJiggle.prototype.moveTo);

    this.originalClose = this.canvas.close;
    this.canvas.close = mxUtils.bind(this, HandJiggle.prototype.close);

    this.originalQuadTo = this.canvas.quadTo;
    this.canvas.quadTo = mxUtils.bind(this, HandJiggle.prototype.quadTo);

    this.originalCurveTo = this.canvas.curveTo;
    this.canvas.curveTo = mxUtils.bind(this, HandJiggle.prototype.curveTo);

    this.originalArcTo = this.canvas.arcTo;
    this.canvas.arcTo = mxUtils.bind(this, HandJiggle.prototype.arcTo);
  };

  HandJiggle.prototype.moveTo = function (endX, endY) {
    this.originalMoveTo.apply(this.canvas, arguments);
    this.lastX = endX;
    this.lastY = endY;
    this.firstX = endX;
    this.firstY = endY;
  };

  HandJiggle.prototype.close = function () {
    if (this.firstX != null && this.firstY != null) {
      this.lineTo(this.firstX, this.firstY);
      this.originalClose.apply(this.canvas, arguments);
    }

    this.originalClose.apply(this.canvas, arguments);
  };

  HandJiggle.prototype.quadTo = function (x1, y1, x2, y2) {
    this.originalQuadTo.apply(this.canvas, arguments);
    this.lastX = x2;
    this.lastY = y2;
  };

  HandJiggle.prototype.curveTo = function (x1, y1, x2, y2, x3, y3) {
    this.originalCurveTo.apply(this.canvas, arguments);
    this.lastX = x3;
    this.lastY = y3;
  };

  HandJiggle.prototype.arcTo = function (rx, ry, angle, largeArcFlag, sweepFlag, x, y) {
    this.originalArcTo.apply(this.canvas, arguments);
    this.lastX = x;
    this.lastY = y;
  };

  HandJiggle.prototype.lineTo = function (endX, endY) {
    // LATER: Check why this.canvas.lastX cannot be used
    if (this.lastX != null && this.lastY != null) {
      var dx = Math.abs(endX - this.lastX);
      var dy = Math.abs(endY - this.lastY);
      var dist = Math.sqrt(dx * dx + dy * dy);

      if (dist < 2) {
        this.originalLineTo.apply(this.canvas, arguments);
        this.lastX = endX;
        this.lastY = endY;

        return;
      }

      var segs = Math.round(dist / 10);
      var variation = this.defaultVariation;

      if (segs < 5) {
        segs = 5;
        variation /= 3;
      }

      function sign(x) {
        return typeof x === 'number' ? x ? x < 0 ? -1 : 1 : x === x ? 0 : NaN : NaN;
      }

      var stepX = sign(endX - this.lastX) * dx / segs;
      var stepY = sign(endY - this.lastY) * dy / segs;

      var fx = dx / dist;
      var fy = dy / dist;

      for (var s = 0; s < segs; s++) {
        var x = stepX * s + this.lastX;
        var y = stepY * s + this.lastY;

        var offset = (Math.random() - 0.5) * variation;
        this.originalLineTo.call(this.canvas, x - offset * fy, y - offset * fx);
      }

      this.originalLineTo.call(this.canvas, endX, endY);
      this.lastX = endX;
      this.lastY = endY;
    } else {
      this.originalLineTo.apply(this.canvas, arguments);
      this.lastX = endX;
      this.lastY = endY;
    }
  };

  HandJiggle.prototype.destroy = function () {
    this.canvas.lineTo = this.originalLineTo;
    this.canvas.moveTo = this.originalMoveTo;
    this.canvas.close = this.originalClose;
    this.canvas.quadTo = this.originalQuadTo;
    this.canvas.curveTo = this.originalCurveTo;
    this.canvas.arcTo = this.originalArcTo;
  };

  // Installs hand jiggle in all shapes
  var mxShapePaint0 = mxShape.prototype.paint;
  mxShape.prototype.defaultJiggle = 1.5;
  mxShape.prototype.paint = function (c) {
    // NOTE: getValue does not return a boolean value so !('0') would return true here and below
    if (this.style != null && mxUtils.getValue(this.style, 'comic', '0') != '0' && c.handHiggle == null) {
      c.handJiggle = new HandJiggle(c, mxUtils.getValue(this.style, 'jiggle', this.defaultJiggle));
    }

    mxShapePaint0.apply(this, arguments);

    if (c.handJiggle != null) {
      c.handJiggle.destroy();
      delete c.handJiggle;
    }
  };

  // Sets default jiggle for diamond
  mxRhombus.prototype.defaultJiggle = 2;

  /**
   * Overrides to avoid call to rect
   */
  var mxRectangleShapeIsHtmlAllowed0 = mxRectangleShape.prototype.isHtmlAllowed;
  mxRectangleShape.prototype.isHtmlAllowed = function () {
    return (this.style == null || mxUtils.getValue(this.style, 'comic', '0') == '0') &&
      mxRectangleShapeIsHtmlAllowed0.apply(this, arguments);
  };

  var mxRectangleShapePaintBackground0 = mxRectangleShape.prototype.paintBackground;
  mxRectangleShape.prototype.paintBackground = function (c, x, y, w, h) {
    if (c.handJiggle == null) {
      mxRectangleShapePaintBackground0.apply(this, arguments);
    } else {
      var events = true;

      if (this.style != null) {
        events = mxUtils.getValue(this.style, mxConstants.STYLE_POINTER_EVENTS, '1') == '1';
      }

      if (events || (this.fill != null && this.fill != mxConstants.NONE) ||
        (this.stroke != null && this.stroke != mxConstants.NONE)) {
        if (!events && (this.fill == null || this.fill == mxConstants.NONE)) {
          c.pointerEvents = false;
        }

        c.begin();

        if (this.isRounded) {
          var r = 0;

          if (mxUtils.getValue(this.style, mxConstants.STYLE_ABSOLUTE_ARCSIZE, 0) == '1') {
            r = Math.min(w / 2, Math.min(h / 2, mxUtils.getValue(this.style,
              mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2));
          } else {
            var f = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE,
              mxConstants.RECTANGLE_ROUNDING_FACTOR * 100) / 100;
            r = Math.min(w * f, h * f);
          }

          c.moveTo(x + r, y);
          c.lineTo(x + w - r, y);
          c.quadTo(x + w, y, x + w, y + r);
          c.lineTo(x + w, y + h - r);
          c.quadTo(x + w, y + h, x + w - r, y + h);
          c.lineTo(x + r, y + h);
          c.quadTo(x, y + h, x, y + h - r);
          c.lineTo(x, y + r);
          c.quadTo(x, y, x + r, y);
        } else {

          c.moveTo(x, y);
          c.lineTo(x + w, y);
          c.lineTo(x + w, y + h);
          c.lineTo(x, y + h);
          c.lineTo(x, y);
        }

        // LATER: Check if close is needed here
        c.close();
        c.end();

        c.fillAndStroke();
      }
    }
  };

  /**
   * Disables glass effect with hand jiggle.
   */
  var mxRectangleShapePaintForeground0 = mxRectangleShape.prototype.paintForeground;
  mxRectangleShape.prototype.paintForeground = function (c, x, y, w, h) {
    if (c.handJiggle == null) {
      mxRectangleShapePaintForeground0.apply(this, arguments);
    }
  };

  // End of hand jiggle integration

  // Process Shape
  function ProcessShape() {
    mxRectangleShape.call(this);
  };
  mxUtils.extend(ProcessShape, mxRectangleShape);
  ProcessShape.prototype.size = 0.1;
  ProcessShape.prototype.isHtmlAllowed = function () {
    return false;
  };
  ProcessShape.prototype.getLabelBounds = function (rect) {
    if (mxUtils.getValue(this.state.style, mxConstants.STYLE_HORIZONTAL, true) ==
      (this.direction == null ||
        this.direction == mxConstants.DIRECTION_EAST ||
        this.direction == mxConstants.DIRECTION_WEST)) {
      var w = rect.width;
      var h = rect.height;
      var r = new mxRectangle(rect.x, rect.y, w, h);

      var inset = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));

      if (this.isRounded) {
        var f = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE,
          mxConstants.RECTANGLE_ROUNDING_FACTOR * 100) / 100;
        inset = Math.max(inset, Math.min(w * f, h * f));
      }

      r.x += Math.round(inset);
      r.width -= Math.round(2 * inset);

      return r;
    }

    return rect;
  };
  ProcessShape.prototype.paintForeground = function (c, x, y, w, h) {
    var inset = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));

    if (this.isRounded) {
      var f = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE,
        mxConstants.RECTANGLE_ROUNDING_FACTOR * 100) / 100;
      inset = Math.max(inset, Math.min(w * f, h * f));
    }

    // Crisp rendering of inner lines
    inset = Math.round(inset);

    c.begin();
    c.moveTo(x + inset, y);
    c.lineTo(x + inset, y + h);
    c.moveTo(x + w - inset, y);
    c.lineTo(x + w - inset, y + h);
    c.end();
    c.stroke();
    mxRectangleShape.prototype.paintForeground.apply(this, arguments);
  };

  mxCellRenderer.registerShape('process', ProcessShape);

  // Transparent Shape
  function TransparentShape() {
    mxRectangleShape.call(this);
  };
  mxUtils.extend(TransparentShape, mxRectangleShape);
  TransparentShape.prototype.paintBackground = function (c, x, y, w, h) {
    c.setFillColor(mxConstants.NONE);
    c.rect(x, y, w, h);
    c.fill();
  };
  TransparentShape.prototype.paintForeground = function (c, x, y, w, h) {
  };

  mxCellRenderer.registerShape('transparent', TransparentShape);

  // Callout shape
  function CalloutShape() {
    mxActor.call(this);
  };
  mxUtils.extend(CalloutShape, mxHexagon);
  CalloutShape.prototype.size = 30;
  CalloutShape.prototype.position = 0.5;
  CalloutShape.prototype.position2 = 0.5;
  CalloutShape.prototype.base = 20;
  CalloutShape.prototype.getLabelMargins = function () {
    return new mxRectangle(0, 0, 0, parseFloat(mxUtils.getValue(
      this.style, 'size', this.size)) * this.scale);
  };
  CalloutShape.prototype.isRoundable = function () {
    return true;
  };
  CalloutShape.prototype.redrawPath = function (c, x, y, w, h) {
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    var s = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var dx = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'position', this.position))));
    var dx2 = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'position2', this.position2))));
    var base = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'base', this.base))));

    this.addPoints(c, [new mxPoint(0, 0), new mxPoint(w, 0), new mxPoint(w, h - s),
        new mxPoint(Math.min(w, dx + base), h - s), new mxPoint(dx2, h),
        new mxPoint(Math.max(0, dx), h - s), new mxPoint(0, h - s)],
      this.isRounded, arcSize, true, [4]);
  };

  mxCellRenderer.registerShape('callout', CalloutShape);

  // Step shape
  function StepShape() {
    mxActor.call(this);
  };
  mxUtils.extend(StepShape, mxActor);
  StepShape.prototype.size = 0.2;
  StepShape.prototype.fixedSize = 20;
  StepShape.prototype.isRoundable = function () {
    return true;
  };
  StepShape.prototype.redrawPath = function (c, x, y, w, h) {
    var fixed = mxUtils.getValue(this.style, 'fixedSize', '0') != '0';
    var s = (fixed) ? Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'size', this.fixedSize)))) :
      w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, 0), new mxPoint(w - s, 0), new mxPoint(w, h / 2), new mxPoint(w - s, h),
      new mxPoint(0, h), new mxPoint(s, h / 2)], this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('step', StepShape);

  // Hexagon shape
  function HexagonShape() {
    mxActor.call(this);
  };
  mxUtils.extend(HexagonShape, mxHexagon);
  HexagonShape.prototype.size = 0.25;
  HexagonShape.prototype.isRoundable = function () {
    return true;
  };
  HexagonShape.prototype.redrawPath = function (c, x, y, w, h) {
    var s = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(s, 0), new mxPoint(w - s, 0), new mxPoint(w, 0.5 * h), new mxPoint(w - s, h),
      new mxPoint(s, h), new mxPoint(0, 0.5 * h)], this.isRounded, arcSize, true);
  };

  mxCellRenderer.registerShape('hexagon', HexagonShape);

  // Plus Shape
  function PlusShape() {
    mxRectangleShape.call(this);
  };
  mxUtils.extend(PlusShape, mxRectangleShape);
  PlusShape.prototype.isHtmlAllowed = function () {
    return false;
  };
  PlusShape.prototype.paintForeground = function (c, x, y, w, h) {
    var border = Math.min(w / 5, h / 5) + 1;

    c.begin();
    c.moveTo(x + w / 2, y + border);
    c.lineTo(x + w / 2, y + h - border);
    c.moveTo(x + border, y + h / 2);
    c.lineTo(x + w - border, y + h / 2);
    c.end();
    c.stroke();
    mxRectangleShape.prototype.paintForeground.apply(this, arguments);
  };

  mxCellRenderer.registerShape('plus', PlusShape);

  // Overrides painting of rhombus shape to allow for double style
  var mxRhombusPaintVertexShape = mxRhombus.prototype.paintVertexShape;
  mxRhombus.prototype.getLabelBounds = function (rect) {
    if (this.style['double'] == 1) {
      var margin = (Math.max(2, this.strokewidth + 1) * 2 + parseFloat(
        this.style[mxConstants.STYLE_MARGIN] || 0)) * this.scale;

      return new mxRectangle(rect.x + margin, rect.y + margin,
        rect.width - 2 * margin, rect.height - 2 * margin);
    }

    return rect;
  };
  mxRhombus.prototype.paintVertexShape = function (c, x, y, w, h) {
    mxRhombusPaintVertexShape.apply(this, arguments);

    if (!this.outline && this.style['double'] == 1) {
      var margin = Math.max(2, this.strokewidth + 1) * 2 +
        parseFloat(this.style[mxConstants.STYLE_MARGIN] || 0);
      x += margin;
      y += margin;
      w -= 2 * margin;
      h -= 2 * margin;

      if (w > 0 && h > 0) {
        c.setShadow(false);

        // Workaround for closure compiler bug where the lines with x and y above
        // are removed if arguments is used as second argument in call below.
        mxRhombusPaintVertexShape.apply(this, [c, x, y, w, h]);
      }
    }
  };

  // CompositeShape
  function ExtendedShape() {
    mxRectangleShape.call(this);
  };
  mxUtils.extend(ExtendedShape, mxRectangleShape);
  ExtendedShape.prototype.isHtmlAllowed = function () {
    return false;
  };
  ExtendedShape.prototype.getLabelBounds = function (rect) {
    if (this.style['double'] == 1) {
      var margin = (Math.max(2, this.strokewidth + 1) + parseFloat(
        this.style[mxConstants.STYLE_MARGIN] || 0)) * this.scale;

      return new mxRectangle(rect.x + margin, rect.y + margin,
        rect.width - 2 * margin, rect.height - 2 * margin);
    }

    return rect;
  };

  ExtendedShape.prototype.paintForeground = function (c, x, y, w, h) {
    if (this.style != null) {
      if (!this.outline && this.style['double'] == 1) {
        var margin = Math.max(2, this.strokewidth + 1) + parseFloat(this.style[mxConstants.STYLE_MARGIN] || 0);
        x += margin;
        y += margin;
        w -= 2 * margin;
        h -= 2 * margin;

        if (w > 0 && h > 0) {
          mxRectangleShape.prototype.paintBackground.apply(this, arguments);
        }
      }

      c.setDashed(false);

      // Draws the symbols defined in the style. The symbols are
      // numbered from 1...n. Possible postfixes are align,
      // verticalAlign, spacing, arcSpacing, width, height
      var counter = 0;
      var shape = null;

      do {
        shape = mxCellRenderer.defaultShapes[this.style['symbol' + counter]];

        if (shape != null) {
          var align = this.style['symbol' + counter + 'Align'];
          var valign = this.style['symbol' + counter + 'VerticalAlign'];
          var width = this.style['symbol' + counter + 'Width'];
          var height = this.style['symbol' + counter + 'Height'];
          var spacing = this.style['symbol' + counter + 'Spacing'] || 0;
          var vspacing = this.style['symbol' + counter + 'VSpacing'] || spacing;
          var arcspacing = this.style['symbol' + counter + 'ArcSpacing'];

          if (arcspacing != null) {
            var arcSize = this.getArcSize(w + this.strokewidth, h + this.strokewidth) * arcspacing;
            spacing += arcSize;
            vspacing += arcSize;
          }

          var x2 = x;
          var y2 = y;

          if (align == mxConstants.ALIGN_CENTER) {
            x2 += (w - width) / 2;
          } else if (align == mxConstants.ALIGN_RIGHT) {
            x2 += w - width - spacing;
          } else {
            x2 += spacing;
          }

          if (valign == mxConstants.ALIGN_MIDDLE) {
            y2 += (h - height) / 2;
          } else if (valign == mxConstants.ALIGN_BOTTOM) {
            y2 += h - height - vspacing;
          } else {
            y2 += vspacing;
          }

          c.save();

          // Small hack to pass style along into subshape
          var tmp = new shape();
          // TODO: Clone style and override settings (eg. strokewidth)
          tmp.style = this.style;
          shape.prototype.paintVertexShape.call(tmp, c, x2, y2, width, height);
          c.restore();
        }

        counter++;
      }
      while (shape != null);
    }

    // Paints glass effect
    mxRectangleShape.prototype.paintForeground.apply(this, arguments);
  };

  mxCellRenderer.registerShape('ext', ExtendedShape);

  // Tape Shape, supports size style
  function MessageShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(MessageShape, mxCylinder);
  MessageShape.prototype.redrawPath = function (path, x, y, w, h, isForeground) {
    if (isForeground) {
      path.moveTo(0, 0);
      path.lineTo(w / 2, h / 2);
      path.lineTo(w, 0);
      path.end();
    } else {
      path.moveTo(0, 0);
      path.lineTo(w, 0);
      path.lineTo(w, h);
      path.lineTo(0, h);
      path.close();
    }
  };

  mxCellRenderer.registerShape('message', MessageShape);

  // UML Actor Shape
  function UmlActorShape() {
    mxShape.call(this);
  };
  mxUtils.extend(UmlActorShape, mxShape);
  UmlActorShape.prototype.paintBackground = function (c, x, y, w, h) {
    c.translate(x, y);

    // Head
    c.ellipse(w / 4, 0, w / 2, h / 4);
    c.fillAndStroke();

    c.begin();
    c.moveTo(w / 2, h / 4);
    c.lineTo(w / 2, 2 * h / 3);

    // Arms
    c.moveTo(w / 2, h / 3);
    c.lineTo(0, h / 3);
    c.moveTo(w / 2, h / 3);
    c.lineTo(w, h / 3);

    // Legs
    c.moveTo(w / 2, 2 * h / 3);
    c.lineTo(0, h);
    c.moveTo(w / 2, 2 * h / 3);
    c.lineTo(w, h);
    c.end();

    c.stroke();
  };

  // Replaces existing actor shape
  mxCellRenderer.registerShape('umlActor', UmlActorShape);

  // UML Boundary Shape
  function UmlBoundaryShape() {
    mxShape.call(this);
  };
  mxUtils.extend(UmlBoundaryShape, mxShape);
  UmlBoundaryShape.prototype.getLabelMargins = function (rect) {
    return new mxRectangle(rect.width / 6, 0, 0, 0);
  };
  UmlBoundaryShape.prototype.paintBackground = function (c, x, y, w, h) {
    c.translate(x, y);

    // Base line
    c.begin();
    c.moveTo(0, h / 4);
    c.lineTo(0, h * 3 / 4);
    c.end();
    c.stroke();

    // Horizontal line
    c.begin();
    c.moveTo(0, h / 2);
    c.lineTo(w / 6, h / 2);
    c.end();
    c.stroke();

    // Circle
    c.ellipse(w / 6, 0, w * 5 / 6, h);
    c.fillAndStroke();
  };

  // Replaces existing actor shape
  mxCellRenderer.registerShape('umlBoundary', UmlBoundaryShape);

  // UML Entity Shape
  function UmlEntityShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(UmlEntityShape, mxEllipse);
  UmlEntityShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    mxEllipse.prototype.paintVertexShape.apply(this, arguments);

    c.begin();
    c.moveTo(x + w / 8, y + h);
    c.lineTo(x + w * 7 / 8, y + h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('umlEntity', UmlEntityShape);

  // UML Destroy Shape
  function UmlDestroyShape() {
    mxShape.call(this);
  };
  mxUtils.extend(UmlDestroyShape, mxShape);
  UmlDestroyShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    c.translate(x, y);

    c.begin();
    c.moveTo(w, 0);
    c.lineTo(0, h);
    c.moveTo(0, 0);
    c.lineTo(w, h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('umlDestroy', UmlDestroyShape);

  // UML Control Shape
  function UmlControlShape() {
    mxShape.call(this);
  };
  mxUtils.extend(UmlControlShape, mxShape);
  UmlControlShape.prototype.getLabelBounds = function (rect) {
    return new mxRectangle(rect.x, rect.y + rect.height / 8, rect.width, rect.height * 7 / 8);
  };
  UmlControlShape.prototype.paintBackground = function (c, x, y, w, h) {
    c.translate(x, y);

    // Upper line
    c.begin();
    c.moveTo(w * 3 / 8, h / 8 * 1.1);
    c.lineTo(w * 5 / 8, 0);
    c.end();
    c.stroke();

    // Circle
    c.ellipse(0, h / 8, w, h * 7 / 8);
    c.fillAndStroke();
  };
  UmlControlShape.prototype.paintForeground = function (c, x, y, w, h) {
    // Lower line
    c.begin();
    c.moveTo(w * 3 / 8, h / 8 * 1.1);
    c.lineTo(w * 5 / 8, h / 4);
    c.end();
    c.stroke();
  };

  // Replaces existing actor shape
  mxCellRenderer.registerShape('umlControl', UmlControlShape);

  // UML Lifeline Shape
  function UmlLifeline() {
    mxRectangleShape.call(this);
  };
  mxUtils.extend(UmlLifeline, mxRectangleShape);
  UmlLifeline.prototype.size = 40;
  UmlLifeline.prototype.isHtmlAllowed = function () {
    return false;
  };
  UmlLifeline.prototype.getLabelBounds = function (rect) {
    var size = Math.max(0, Math.min(rect.height, parseFloat(
      mxUtils.getValue(this.style, 'size', this.size)) * this.scale));

    return new mxRectangle(rect.x, rect.y, rect.width, size);
  };
  UmlLifeline.prototype.paintBackground = function (c, x, y, w, h) {
    var size = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var participant = mxUtils.getValue(this.style, 'participant');

    if (participant == null || this.state == null) {
      mxRectangleShape.prototype.paintBackground.call(this, c, x, y, w, size);
    } else {
      var ctor = this.state.view.graph.cellRenderer.getShape(participant);

      if (ctor != null && ctor != UmlLifeline) {
        var shape = new ctor();
        shape.apply(this.state);
        c.save();
        shape.paintVertexShape(c, x, y, w, size);
        c.restore();
      }
    }

    if (size < h) {
      c.setDashed(true);
      c.begin();
      c.moveTo(x + w / 2, y + size);
      c.lineTo(x + w / 2, y + h);
      c.end();
      c.stroke();
    }
  };
  UmlLifeline.prototype.paintForeground = function (c, x, y, w, h) {
    var size = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    mxRectangleShape.prototype.paintForeground.call(this, c, x, y, w, Math.min(h, size));
  };

  mxCellRenderer.registerShape('umlLifeline', UmlLifeline);

  // UML Frame Shape
  function UmlFrame() {
    mxShape.call(this);
  };
  mxUtils.extend(UmlFrame, mxShape);
  UmlFrame.prototype.width = 60;
  UmlFrame.prototype.height = 30;
  UmlFrame.prototype.corner = 10;
  UmlFrame.prototype.getLabelMargins = function (rect) {
    return new mxRectangle(0, 0,
      rect.width - (parseFloat(mxUtils.getValue(this.style, 'width', this.width) * this.scale)),
      rect.height - (parseFloat(mxUtils.getValue(this.style, 'height', this.height) * this.scale)));
  };
  UmlFrame.prototype.paintBackground = function (c, x, y, w, h) {
    var co = this.corner;
    var w0 = Math.min(w, Math.max(co, parseFloat(mxUtils.getValue(this.style, 'width', this.width))));
    var h0 = Math.min(h, Math.max(co * 1.5, parseFloat(mxUtils.getValue(this.style, 'height', this.height))));
    var bg = mxUtils.getValue(this.style, mxConstants.STYLE_SWIMLANE_FILLCOLOR, mxConstants.NONE);

    if (bg != mxConstants.NONE) {
      c.setFillColor(bg);
      c.rect(x, y, w, h);
      c.fill();
    }

    if (this.fill != null && this.fill != mxConstants.NONE && this.gradient && this.gradient != mxConstants.NONE) {
      var b = this.getGradientBounds(c, x, y, w, h);
      c.setGradient(this.fill, this.gradient, x, y, w, h, this.gradientDirection);
    } else {
      c.setFillColor(this.fill);
    }

    c.begin();
    c.moveTo(x, y);
    c.lineTo(x + w0, y);
    c.lineTo(x + w0, y + Math.max(0, h0 - co * 1.5));
    c.lineTo(x + Math.max(0, w0 - co), y + h0);
    c.lineTo(x, y + h0);
    c.close();
    c.fillAndStroke();

    c.begin();
    c.moveTo(x + w0, y);
    c.lineTo(x + w, y);
    c.lineTo(x + w, y + h);
    c.lineTo(x, y + h);
    c.lineTo(x, y + h0);
    c.stroke();
  };

  mxCellRenderer.registerShape('umlFrame', UmlFrame);

  mxPerimeter.LifelinePerimeter = function (bounds, vertex, next, orthogonal) {
    var size = UmlLifeline.prototype.size;

    if (vertex != null) {
      size = mxUtils.getValue(vertex.style, 'size', size) * vertex.view.scale;
    }

    var sw = (parseFloat(vertex.style[mxConstants.STYLE_STROKEWIDTH] || 1) * vertex.view.scale / 2) - 1;

    if (next.x < bounds.getCenterX()) {
      sw += 1;
      sw *= -1;
    }

    return new mxPoint(bounds.getCenterX() + sw, Math.min(bounds.y + bounds.height,
      Math.max(bounds.y + size, next.y)));
  };

  mxStyleRegistry.putValue('lifelinePerimeter', mxPerimeter.LifelinePerimeter);

  mxPerimeter.OrthogonalPerimeter = function (bounds, vertex, next, orthogonal) {
    orthogonal = true;

    return mxPerimeter.RectanglePerimeter.apply(this, arguments);
  };

  mxStyleRegistry.putValue('orthogonalPerimeter', mxPerimeter.OrthogonalPerimeter);

  mxPerimeter.BackbonePerimeter = function (bounds, vertex, next, orthogonal) {
    var sw = (parseFloat(vertex.style[mxConstants.STYLE_STROKEWIDTH] || 1) * vertex.view.scale / 2) - 1;

    if (vertex.style['backboneSize'] != null) {
      sw += (parseFloat(vertex.style['backboneSize']) * vertex.view.scale / 2) - 1;
    }

    if (vertex.style[mxConstants.STYLE_DIRECTION] == 'south' ||
      vertex.style[mxConstants.STYLE_DIRECTION] == 'north') {
      if (next.x < bounds.getCenterX()) {
        sw += 1;
        sw *= -1;
      }

      return new mxPoint(bounds.getCenterX() + sw, Math.min(bounds.y + bounds.height,
        Math.max(bounds.y, next.y)));
    } else {
      if (next.y < bounds.getCenterY()) {
        sw += 1;
        sw *= -1;
      }

      return new mxPoint(Math.min(bounds.x + bounds.width, Math.max(bounds.x, next.x)),
        bounds.getCenterY() + sw);
    }
  };

  mxStyleRegistry.putValue('backbonePerimeter', mxPerimeter.BackbonePerimeter);

  // Callout Perimeter
  mxPerimeter.CalloutPerimeter = function (bounds, vertex, next, orthogonal) {
    return mxPerimeter.RectanglePerimeter(mxUtils.getDirectedBounds(bounds, new mxRectangle(0, 0, 0,
      Math.max(0, Math.min(bounds.height, parseFloat(mxUtils.getValue(vertex.style, 'size',
        CalloutShape.prototype.size)) * vertex.view.scale))),
      vertex.style), vertex, next, orthogonal);
  };

  mxStyleRegistry.putValue('calloutPerimeter', mxPerimeter.CalloutPerimeter);

  // Parallelogram Perimeter
  mxPerimeter.ParallelogramPerimeter = function (bounds, vertex, next, orthogonal) {
    var size = ParallelogramShape.prototype.size;

    if (vertex != null) {
      size = mxUtils.getValue(vertex.style, 'size', size);
    }

    var x = bounds.x;
    var y = bounds.y;
    var w = bounds.width;
    var h = bounds.height;

    var direction = (vertex != null) ? mxUtils.getValue(
      vertex.style, mxConstants.STYLE_DIRECTION,
      mxConstants.DIRECTION_EAST) : mxConstants.DIRECTION_EAST;
    var vertical = direction == mxConstants.DIRECTION_NORTH ||
      direction == mxConstants.DIRECTION_SOUTH;
    var points;

    if (vertical) {
      var dy = h * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x, y), new mxPoint(x + w, y + dy),
        new mxPoint(x + w, y + h), new mxPoint(x, y + h - dy), new mxPoint(x, y)];
    } else {
      var dx = w * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x + dx, y), new mxPoint(x + w, y),
        new mxPoint(x + w - dx, y + h), new mxPoint(x, y + h), new mxPoint(x + dx, y)];
    }

    var cx = bounds.getCenterX();
    var cy = bounds.getCenterY();

    var p1 = new mxPoint(cx, cy);

    if (orthogonal) {
      if (next.x < x || next.x > x + w) {
        p1.y = next.y;
      } else {
        p1.x = next.x;
      }
    }

    return mxUtils.getPerimeterPoint(points, p1, next);
  };

  mxStyleRegistry.putValue('parallelogramPerimeter', mxPerimeter.ParallelogramPerimeter);

  // Trapezoid Perimeter
  mxPerimeter.TrapezoidPerimeter = function (bounds, vertex, next, orthogonal) {
    var size = TrapezoidShape.prototype.size;

    if (vertex != null) {
      size = mxUtils.getValue(vertex.style, 'size', size);
    }

    var x = bounds.x;
    var y = bounds.y;
    var w = bounds.width;
    var h = bounds.height;

    var direction = (vertex != null) ? mxUtils.getValue(
      vertex.style, mxConstants.STYLE_DIRECTION,
      mxConstants.DIRECTION_EAST) : mxConstants.DIRECTION_EAST;
    var points;

    if (direction == mxConstants.DIRECTION_EAST) {
      var dx = w * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x + dx, y), new mxPoint(x + w - dx, y),
        new mxPoint(x + w, y + h), new mxPoint(x, y + h), new mxPoint(x + dx, y)];
    } else if (direction == mxConstants.DIRECTION_WEST) {
      var dx = w * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x, y), new mxPoint(x + w, y),
        new mxPoint(x + w - dx, y + h), new mxPoint(x + dx, y + h), new mxPoint(x, y)];
    } else if (direction == mxConstants.DIRECTION_NORTH) {
      var dy = h * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x, y + dy), new mxPoint(x + w, y),
        new mxPoint(x + w, y + h), new mxPoint(x, y + h - dy), new mxPoint(x, y + dy)];
    } else {
      var dy = h * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x, y), new mxPoint(x + w, y + dy),
        new mxPoint(x + w, y + h - dy), new mxPoint(x, y + h), new mxPoint(x, y)];
    }

    var cx = bounds.getCenterX();
    var cy = bounds.getCenterY();

    var p1 = new mxPoint(cx, cy);

    if (orthogonal) {
      if (next.x < x || next.x > x + w) {
        p1.y = next.y;
      } else {
        p1.x = next.x;
      }
    }

    return mxUtils.getPerimeterPoint(points, p1, next);
  };

  mxStyleRegistry.putValue('trapezoidPerimeter', mxPerimeter.TrapezoidPerimeter);

  // Step Perimeter
  mxPerimeter.StepPerimeter = function (bounds, vertex, next, orthogonal) {
    var fixed = mxUtils.getValue(vertex.style, 'fixedSize', '0') != '0';
    var size = (fixed) ? StepShape.prototype.fixedSize : StepShape.prototype.size;

    if (vertex != null) {
      size = mxUtils.getValue(vertex.style, 'size', size);
    }

    var x = bounds.x;
    var y = bounds.y;
    var w = bounds.width;
    var h = bounds.height;

    var cx = bounds.getCenterX();
    var cy = bounds.getCenterY();

    var direction = (vertex != null) ? mxUtils.getValue(
      vertex.style, mxConstants.STYLE_DIRECTION,
      mxConstants.DIRECTION_EAST) : mxConstants.DIRECTION_EAST;
    var points;

    if (direction == mxConstants.DIRECTION_EAST) {
      var dx = (fixed) ? Math.max(0, Math.min(w, size)) : w * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x, y), new mxPoint(x + w - dx, y), new mxPoint(x + w, cy),
        new mxPoint(x + w - dx, y + h), new mxPoint(x, y + h),
        new mxPoint(x + dx, cy), new mxPoint(x, y)];
    } else if (direction == mxConstants.DIRECTION_WEST) {
      var dx = (fixed) ? Math.max(0, Math.min(w, size)) : w * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x + dx, y), new mxPoint(x + w, y), new mxPoint(x + w - dx, cy),
        new mxPoint(x + w, y + h), new mxPoint(x + dx, y + h),
        new mxPoint(x, cy), new mxPoint(x + dx, y)];
    } else if (direction == mxConstants.DIRECTION_NORTH) {
      var dy = (fixed) ? Math.max(0, Math.min(h, size)) : h * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x, y + dy), new mxPoint(cx, y), new mxPoint(x + w, y + dy),
        new mxPoint(x + w, y + h), new mxPoint(cx, y + h - dy),
        new mxPoint(x, y + h), new mxPoint(x, y + dy)];
    } else {
      var dy = (fixed) ? Math.max(0, Math.min(h, size)) : h * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x, y), new mxPoint(cx, y + dy), new mxPoint(x + w, y),
        new mxPoint(x + w, y + h - dy), new mxPoint(cx, y + h),
        new mxPoint(x, y + h - dy), new mxPoint(x, y)];
    }

    var p1 = new mxPoint(cx, cy);

    if (orthogonal) {
      if (next.x < x || next.x > x + w) {
        p1.y = next.y;
      } else {
        p1.x = next.x;
      }
    }

    return mxUtils.getPerimeterPoint(points, p1, next);
  };

  mxStyleRegistry.putValue('stepPerimeter', mxPerimeter.StepPerimeter);

  // Hexagon Perimeter 2 (keep existing one)
  mxPerimeter.HexagonPerimeter2 = function (bounds, vertex, next, orthogonal) {
    var size = HexagonShape.prototype.size;

    if (vertex != null) {
      size = mxUtils.getValue(vertex.style, 'size', size);
    }

    var x = bounds.x;
    var y = bounds.y;
    var w = bounds.width;
    var h = bounds.height;

    var cx = bounds.getCenterX();
    var cy = bounds.getCenterY();

    var direction = (vertex != null) ? mxUtils.getValue(
      vertex.style, mxConstants.STYLE_DIRECTION,
      mxConstants.DIRECTION_EAST) : mxConstants.DIRECTION_EAST;
    var vertical = direction == mxConstants.DIRECTION_NORTH ||
      direction == mxConstants.DIRECTION_SOUTH;
    var points;

    if (vertical) {
      var dy = h * Math.max(0, Math.min(1, size));
      points = [new mxPoint(cx, y), new mxPoint(x + w, y + dy), new mxPoint(x + w, y + h - dy),
        new mxPoint(cx, y + h), new mxPoint(x, y + h - dy),
        new mxPoint(x, y + dy), new mxPoint(cx, y)];
    } else {
      var dx = w * Math.max(0, Math.min(1, size));
      points = [new mxPoint(x + dx, y), new mxPoint(x + w - dx, y), new mxPoint(x + w, cy),
        new mxPoint(x + w - dx, y + h), new mxPoint(x + dx, y + h),
        new mxPoint(x, cy), new mxPoint(x + dx, y)];
    }

    var p1 = new mxPoint(cx, cy);

    if (orthogonal) {
      if (next.x < x || next.x > x + w) {
        p1.y = next.y;
      } else {
        p1.x = next.x;
      }
    }

    return mxUtils.getPerimeterPoint(points, p1, next);
  };

  mxStyleRegistry.putValue('hexagonPerimeter2', mxPerimeter.HexagonPerimeter2);

  // Provided Interface Shape (aka Lollipop)
  function LollipopShape() {
    mxShape.call(this);
  };
  mxUtils.extend(LollipopShape, mxShape);
  LollipopShape.prototype.size = 10;
  LollipopShape.prototype.paintBackground = function (c, x, y, w, h) {
    var sz = parseFloat(mxUtils.getValue(this.style, 'size', this.size));
    c.translate(x, y);

    c.ellipse((w - sz) / 2, 0, sz, sz);
    c.fillAndStroke();

    c.begin();
    c.moveTo(w / 2, sz);
    c.lineTo(w / 2, h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('lollipop', LollipopShape);

  // Required Interface Shape
  function RequiresShape() {
    mxShape.call(this);
  };
  mxUtils.extend(RequiresShape, mxShape);
  RequiresShape.prototype.size = 10;
  RequiresShape.prototype.inset = 2;
  RequiresShape.prototype.paintBackground = function (c, x, y, w, h) {
    var sz = parseFloat(mxUtils.getValue(this.style, 'size', this.size));
    var inset = parseFloat(mxUtils.getValue(this.style, 'inset', this.inset)) + this.strokewidth;
    c.translate(x, y);

    c.begin();
    c.moveTo(w / 2, sz + inset);
    c.lineTo(w / 2, h);
    c.end();
    c.stroke();

    c.begin();
    c.moveTo((w - sz) / 2 - inset, sz / 2);
    c.quadTo((w - sz) / 2 - inset, sz + inset, w / 2, sz + inset);
    c.quadTo((w + sz) / 2 + inset, sz + inset, (w + sz) / 2 + inset, sz / 2);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('requires', RequiresShape);

  // Required Interface Shape
  function RequiredInterfaceShape() {
    mxShape.call(this);
  };
  mxUtils.extend(RequiredInterfaceShape, mxShape);

  RequiredInterfaceShape.prototype.paintBackground = function (c, x, y, w, h) {
    c.translate(x, y);

    c.begin();
    c.moveTo(0, 0);
    c.quadTo(w, 0, w, h / 2);
    c.quadTo(w, h, 0, h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('requiredInterface', RequiredInterfaceShape);

  // Provided and Required Interface Shape
  function ProvidedRequiredInterfaceShape() {
    mxShape.call(this);
  };
  mxUtils.extend(ProvidedRequiredInterfaceShape, mxShape);
  ProvidedRequiredInterfaceShape.prototype.inset = 2;
  ProvidedRequiredInterfaceShape.prototype.paintBackground = function (c, x, y, w, h) {
    var inset = parseFloat(mxUtils.getValue(this.style, 'inset', this.inset)) + this.strokewidth;
    c.translate(x, y);

    c.ellipse(0, inset, w - 2 * inset, h - 2 * inset);
    c.fillAndStroke();

    c.begin();
    c.moveTo(w / 2, 0);
    c.quadTo(w, 0, w, h / 2);
    c.quadTo(w, h, w / 2, h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('providedRequiredInterface', ProvidedRequiredInterfaceShape);

  // Module shape
  function ModuleShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(ModuleShape, mxCylinder);
  ModuleShape.prototype.jettyWidth = 20;
  ModuleShape.prototype.jettyHeight = 10;
  ModuleShape.prototype.redrawPath = function (path, x, y, w, h, isForeground) {
    var dx = parseFloat(mxUtils.getValue(this.style, 'jettyWidth', this.jettyWidth));
    var dy = parseFloat(mxUtils.getValue(this.style, 'jettyHeight', this.jettyHeight));
    var x0 = dx / 2;
    var x1 = x0 + dx / 2;
    var y0 = Math.min(dy, h - dy);
    var y1 = Math.min(y0 + 2 * dy, h - dy);

    if (isForeground) {
      path.moveTo(x0, y0);
      path.lineTo(x1, y0);
      path.lineTo(x1, y0 + dy);
      path.lineTo(x0, y0 + dy);
      path.moveTo(x0, y1);
      path.lineTo(x1, y1);
      path.lineTo(x1, y1 + dy);
      path.lineTo(x0, y1 + dy);
      path.end();
    } else {
      path.moveTo(x0, 0);
      path.lineTo(w, 0);
      path.lineTo(w, h);
      path.lineTo(x0, h);
      path.lineTo(x0, y1 + dy);
      path.lineTo(0, y1 + dy);
      path.lineTo(0, y1);
      path.lineTo(x0, y1);
      path.lineTo(x0, y0 + dy);
      path.lineTo(0, y0 + dy);
      path.lineTo(0, y0);
      path.lineTo(x0, y0);
      path.close();
      path.end();
    }
  };

  mxCellRenderer.registerShape('module', ModuleShape);

  // Component shape
  function ComponentShape() {
    mxCylinder.call(this);
  };
  mxUtils.extend(ComponentShape, mxCylinder);
  ComponentShape.prototype.jettyWidth = 32;
  ComponentShape.prototype.jettyHeight = 12;
  ComponentShape.prototype.redrawPath = function (path, x, y, w, h, isForeground) {
    var dx = parseFloat(mxUtils.getValue(this.style, 'jettyWidth', this.jettyWidth));
    var dy = parseFloat(mxUtils.getValue(this.style, 'jettyHeight', this.jettyHeight));
    var x0 = dx / 2;
    var x1 = x0 + dx / 2;
    var y0 = 0.3 * h - dy / 2;
    var y1 = 0.7 * h - dy / 2;

    if (isForeground) {
      path.moveTo(x0, y0);
      path.lineTo(x1, y0);
      path.lineTo(x1, y0 + dy);
      path.lineTo(x0, y0 + dy);
      path.moveTo(x0, y1);
      path.lineTo(x1, y1);
      path.lineTo(x1, y1 + dy);
      path.lineTo(x0, y1 + dy);
      path.end();
    } else {
      path.moveTo(x0, 0);
      path.lineTo(w, 0);
      path.lineTo(w, h);
      path.lineTo(x0, h);
      path.lineTo(x0, y1 + dy);
      path.lineTo(0, y1 + dy);
      path.lineTo(0, y1);
      path.lineTo(x0, y1);
      path.lineTo(x0, y0 + dy);
      path.lineTo(0, y0 + dy);
      path.lineTo(0, y0);
      path.lineTo(x0, y0);
      path.close();
      path.end();
    }
  };

  mxCellRenderer.registerShape('component', ComponentShape);

  // Associative entity derived from rectangle shape
  function AssociativeEntity() {
    mxRectangleShape.call(this);
  };
  mxUtils.extend(AssociativeEntity, mxRectangleShape);
  AssociativeEntity.prototype.paintForeground = function (c, x, y, w, h) {
    var hw = w / 2;
    var hh = h / 2;

    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    c.begin();
    this.addPoints(c, [new mxPoint(x + hw, y), new mxPoint(x + w, y + hh), new mxPoint(x + hw, y + h),
      new mxPoint(x, y + hh)], this.isRounded, arcSize, true);
    c.stroke();

    mxRectangleShape.prototype.paintForeground.apply(this, arguments);
  };

  mxCellRenderer.registerShape('associativeEntity', AssociativeEntity);

  // State Shapes derives from double ellipse
  function StateShape() {
    mxDoubleEllipse.call(this);
  };
  mxUtils.extend(StateShape, mxDoubleEllipse);
  StateShape.prototype.outerStroke = true;
  StateShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    var inset = Math.min(4, Math.min(w / 5, h / 5));

    if (w > 0 && h > 0) {
      c.ellipse(x + inset, y + inset, w - 2 * inset, h - 2 * inset);
      c.fillAndStroke();
    }

    c.setShadow(false);

    if (this.outerStroke) {
      c.ellipse(x, y, w, h);
      c.stroke();
    }
  };

  mxCellRenderer.registerShape('endState', StateShape);

  function StartStateShape() {
    StateShape.call(this);
  };
  mxUtils.extend(StartStateShape, StateShape);
  StartStateShape.prototype.outerStroke = false;

  mxCellRenderer.registerShape('startState', StartStateShape);

  // Link shape
  function LinkShape() {
    mxArrowConnector.call(this);
    this.spacing = 0;
  };
  mxUtils.extend(LinkShape, mxArrowConnector);
  LinkShape.prototype.defaultWidth = 4;

  LinkShape.prototype.isOpenEnded = function () {
    return true;
  };

  LinkShape.prototype.getEdgeWidth = function () {
    return mxUtils.getNumber(this.style, 'width', this.defaultWidth) + Math.max(0, this.strokewidth - 1);
  };

  LinkShape.prototype.isArrowRounded = function () {
    return this.isRounded;
  };

  // Registers the link shape
  mxCellRenderer.registerShape('link', LinkShape);

  // Generic arrow
  function FlexArrowShape() {
    mxArrowConnector.call(this);
    this.spacing = 0;
  };
  mxUtils.extend(FlexArrowShape, mxArrowConnector);
  FlexArrowShape.prototype.defaultWidth = 10;
  FlexArrowShape.prototype.defaultArrowWidth = 20;

  FlexArrowShape.prototype.getStartArrowWidth = function () {
    return this.getEdgeWidth() + mxUtils.getNumber(this.style, 'startWidth', this.defaultArrowWidth);
  };

  FlexArrowShape.prototype.getEndArrowWidth = function () {
    return this.getEdgeWidth() + mxUtils.getNumber(this.style, 'endWidth', this.defaultArrowWidth);
    ;
  };

  FlexArrowShape.prototype.getEdgeWidth = function () {
    return mxUtils.getNumber(this.style, 'width', this.defaultWidth) + Math.max(0, this.strokewidth - 1);
  };

  // Registers the link shape
  mxCellRenderer.registerShape('flexArrow', FlexArrowShape);

  // Manual Input shape
  function ManualInputShape() {
    mxActor.call(this);
  };
  mxUtils.extend(ManualInputShape, mxActor);
  ManualInputShape.prototype.size = 30;
  ManualInputShape.prototype.isRoundable = function () {
    return true;
  };
  ManualInputShape.prototype.redrawPath = function (c, x, y, w, h) {
    var s = Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size)));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, h), new mxPoint(0, s), new mxPoint(w, 0), new mxPoint(w, h)],
      this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('manualInput', ManualInputShape);

  // Internal storage
  function InternalStorageShape() {
    mxRectangleShape.call(this);
  };
  mxUtils.extend(InternalStorageShape, mxRectangleShape);
  InternalStorageShape.prototype.dx = 20;
  InternalStorageShape.prototype.dy = 20;
  InternalStorageShape.prototype.isHtmlAllowed = function () {
    return false;
  };
  InternalStorageShape.prototype.paintForeground = function (c, x, y, w, h) {
    mxRectangleShape.prototype.paintForeground.apply(this, arguments);
    var inset = 0;

    if (this.isRounded) {
      var f = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE,
        mxConstants.RECTANGLE_ROUNDING_FACTOR * 100) / 100;
      inset = Math.max(inset, Math.min(w * f, h * f));
    }

    var dx = Math.max(inset, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'dx', this.dx))));
    var dy = Math.max(inset, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'dy', this.dy))));

    c.begin();
    c.moveTo(x, y + dy);
    c.lineTo(x + w, y + dy);
    c.end();
    c.stroke();

    c.begin();
    c.moveTo(x + dx, y);
    c.lineTo(x + dx, y + h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('internalStorage', InternalStorageShape);

  // Internal storage
  function CornerShape() {
    mxActor.call(this);
  };
  mxUtils.extend(CornerShape, mxActor);
  CornerShape.prototype.dx = 20;
  CornerShape.prototype.dy = 20;

  // Corner
  CornerShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dx = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'dx', this.dx))));
    var dy = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'dy', this.dy))));

    var s = Math.min(w / 2, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, 0), new mxPoint(w, 0), new mxPoint(w, dy), new mxPoint(dx, dy),
      new mxPoint(dx, h), new mxPoint(0, h)], this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('corner', CornerShape);

  // Crossbar shape
  function CrossbarShape() {
    mxActor.call(this);
  };
  mxUtils.extend(CrossbarShape, mxActor);

  CrossbarShape.prototype.redrawPath = function (c, x, y, w, h) {
    c.moveTo(0, 0);
    c.lineTo(0, h);
    c.end();

    c.moveTo(w, 0);
    c.lineTo(w, h);
    c.end();

    c.moveTo(0, h / 2);
    c.lineTo(w, h / 2);
    c.end();
  };

  mxCellRenderer.registerShape('crossbar', CrossbarShape);

  // Internal storage
  function TeeShape() {
    mxActor.call(this);
  };
  mxUtils.extend(TeeShape, mxActor);
  TeeShape.prototype.dx = 20;
  TeeShape.prototype.dy = 20;

  // Corner
  TeeShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dx = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'dx', this.dx))));
    var dy = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'dy', this.dy))));
    var w2 = Math.abs(w - dx) / 2;

    var s = Math.min(w / 2, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, 0), new mxPoint(w, 0), new mxPoint(w, dy), new mxPoint((w + dx) / 2, dy),
      new mxPoint((w + dx) / 2, h), new mxPoint((w - dx) / 2, h), new mxPoint((w - dx) / 2, dy),
      new mxPoint(0, dy)], this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('tee', TeeShape);

  // Arrow
  function SingleArrowShape() {
    mxActor.call(this);
  };
  mxUtils.extend(SingleArrowShape, mxActor);
  SingleArrowShape.prototype.arrowWidth = 0.3;
  SingleArrowShape.prototype.arrowSize = 0.2;
  SingleArrowShape.prototype.redrawPath = function (c, x, y, w, h) {
    var aw = h * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowWidth', this.arrowWidth))));
    var as = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowSize', this.arrowSize))));
    var at = (h - aw) / 2;
    var ab = at + aw;

    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, at), new mxPoint(w - as, at), new mxPoint(w - as, 0), new mxPoint(w, h / 2),
        new mxPoint(w - as, h), new mxPoint(w - as, ab), new mxPoint(0, ab)],
      this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('singleArrow', SingleArrowShape);

  // Arrow
  function DoubleArrowShape() {
    mxActor.call(this);
  };
  mxUtils.extend(DoubleArrowShape, mxActor);
  DoubleArrowShape.prototype.redrawPath = function (c, x, y, w, h) {
    var aw = h * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowWidth', SingleArrowShape.prototype.arrowWidth))));
    var as = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowSize', SingleArrowShape.prototype.arrowSize))));
    var at = (h - aw) / 2;
    var ab = at + aw;

    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, h / 2), new mxPoint(as, 0), new mxPoint(as, at), new mxPoint(w - as, at),
        new mxPoint(w - as, 0), new mxPoint(w, h / 2), new mxPoint(w - as, h),
        new mxPoint(w - as, ab), new mxPoint(as, ab), new mxPoint(as, h)],
      this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('doubleArrow', DoubleArrowShape);

  // Data storage
  function DataStorageShape() {
    mxActor.call(this);
  };
  mxUtils.extend(DataStorageShape, mxActor);
  DataStorageShape.prototype.size = 0.1;
  DataStorageShape.prototype.redrawPath = function (c, x, y, w, h) {
    var s = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));

    c.moveTo(s, 0);
    c.lineTo(w, 0);
    c.quadTo(w - s * 2, h / 2, w, h);
    c.lineTo(s, h);
    c.quadTo(s - s * 2, h / 2, s, 0);
    c.close();
    c.end();
  };

  mxCellRenderer.registerShape('dataStorage', DataStorageShape);

  // Or
  function OrShape() {
    mxActor.call(this);
  };
  mxUtils.extend(OrShape, mxActor);
  OrShape.prototype.redrawPath = function (c, x, y, w, h) {
    c.moveTo(0, 0);
    c.quadTo(w, 0, w, h / 2);
    c.quadTo(w, h, 0, h);
    c.close();
    c.end();
  };

  mxCellRenderer.registerShape('or', OrShape);

  // Xor
  function XorShape() {
    mxActor.call(this);
  };
  mxUtils.extend(XorShape, mxActor);
  XorShape.prototype.redrawPath = function (c, x, y, w, h) {
    c.moveTo(0, 0);
    c.quadTo(w, 0, w, h / 2);
    c.quadTo(w, h, 0, h);
    c.quadTo(w / 2, h / 2, 0, 0);
    c.close();
    c.end();
  };

  mxCellRenderer.registerShape('xor', XorShape);

  // Loop limit
  function LoopLimitShape() {
    mxActor.call(this);
  };
  mxUtils.extend(LoopLimitShape, mxActor);
  LoopLimitShape.prototype.size = 20;
  LoopLimitShape.prototype.isRoundable = function () {
    return true;
  };
  LoopLimitShape.prototype.redrawPath = function (c, x, y, w, h) {
    var s = Math.min(w / 2, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(s, 0), new mxPoint(w - s, 0), new mxPoint(w, s * 0.8), new mxPoint(w, h),
      new mxPoint(0, h), new mxPoint(0, s * 0.8)], this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('loopLimit', LoopLimitShape);

  // Off page connector
  function OffPageConnectorShape() {
    mxActor.call(this);
  };
  mxUtils.extend(OffPageConnectorShape, mxActor);
  OffPageConnectorShape.prototype.size = 3 / 8;
  OffPageConnectorShape.prototype.isRoundable = function () {
    return true;
  };
  OffPageConnectorShape.prototype.redrawPath = function (c, x, y, w, h) {
    var s = h * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    this.addPoints(c, [new mxPoint(0, 0), new mxPoint(w, 0), new mxPoint(w, h - s), new mxPoint(w / 2, h),
      new mxPoint(0, h - s)], this.isRounded, arcSize, true);
    c.end();
  };

  mxCellRenderer.registerShape('offPageConnector', OffPageConnectorShape);

  // Internal storage
  function TapeDataShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(TapeDataShape, mxEllipse);
  TapeDataShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    mxEllipse.prototype.paintVertexShape.apply(this, arguments);

    c.begin();
    c.moveTo(x + w / 2, y + h);
    c.lineTo(x + w, y + h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('tapeData', TapeDataShape);

  // OrEllipseShape
  function OrEllipseShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(OrEllipseShape, mxEllipse);
  OrEllipseShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    mxEllipse.prototype.paintVertexShape.apply(this, arguments);

    c.setShadow(false);
    c.begin();
    c.moveTo(x, y + h / 2);
    c.lineTo(x + w, y + h / 2);
    c.end();
    c.stroke();

    c.begin();
    c.moveTo(x + w / 2, y);
    c.lineTo(x + w / 2, y + h);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('orEllipse', OrEllipseShape);

  // SumEllipseShape
  function SumEllipseShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(SumEllipseShape, mxEllipse);
  SumEllipseShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    mxEllipse.prototype.paintVertexShape.apply(this, arguments);
    var s2 = 0.145;

    c.setShadow(false);
    c.begin();
    c.moveTo(x + w * s2, y + h * s2);
    c.lineTo(x + w * (1 - s2), y + h * (1 - s2));
    c.end();
    c.stroke();

    c.begin();
    c.moveTo(x + w * (1 - s2), y + h * s2);
    c.lineTo(x + w * s2, y + h * (1 - s2));
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('sumEllipse', SumEllipseShape);

  // SortShape
  function SortShape() {
    mxRhombus.call(this);
  };
  mxUtils.extend(SortShape, mxRhombus);
  SortShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    mxRhombus.prototype.paintVertexShape.apply(this, arguments);

    c.setShadow(false);
    c.begin();
    c.moveTo(x, y + h / 2);
    c.lineTo(x + w, y + h / 2);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('sortShape', SortShape);

  // CollateShape
  function CollateShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(CollateShape, mxEllipse);
  CollateShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    c.begin();
    c.moveTo(x, y);
    c.lineTo(x + w, y);
    c.lineTo(x + w / 2, y + h / 2);
    c.close();
    c.fillAndStroke();

    c.begin();
    c.moveTo(x, y + h);
    c.lineTo(x + w, y + h);
    c.lineTo(x + w / 2, y + h / 2);
    c.close();
    c.fillAndStroke();
  };

  mxCellRenderer.registerShape('collate', CollateShape);

  // DimensionShape
  function DimensionShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(DimensionShape, mxEllipse);
  DimensionShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    // Arrow size
    var al = 10;
    var cy = y + h - al / 2;

    c.begin();
    c.moveTo(x, y);
    c.lineTo(x, y + h);
    c.moveTo(x, cy);
    c.lineTo(x + al, cy - al / 2);
    c.moveTo(x, cy);
    c.lineTo(x + al, cy + al / 2);
    c.moveTo(x, cy);
    c.lineTo(x + w, cy);

    // Opposite side
    c.moveTo(x + w, y);
    c.lineTo(x + w, y + h);
    c.moveTo(x + w, cy);
    c.lineTo(x + w - al, cy - al / 2);
    c.moveTo(x + w, cy);
    c.lineTo(x + w - al, cy + al / 2);
    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('dimension', DimensionShape);

  // PartialRectangleShape
  function PartialRectangleShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(PartialRectangleShape, mxEllipse);
  PartialRectangleShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    if (!this.outline) {
      c.setStrokeColor(null);
    }

    mxRectangleShape.prototype.paintBackground.apply(this, arguments);

    if (this.style != null) {
      c.setStrokeColor(this.stroke);
      c.rect(x, y, w, h);
      c.fill();

      c.begin();
      c.moveTo(x, y);

      if (mxUtils.getValue(this.style, 'top', '1') == '1') {
        c.lineTo(x + w, y);
      } else {
        c.moveTo(x + w, y);
      }

      if (mxUtils.getValue(this.style, 'right', '1') == '1') {
        c.lineTo(x + w, y + h);
      } else {
        c.moveTo(x + w, y + h);
      }

      if (mxUtils.getValue(this.style, 'bottom', '1') == '1') {
        c.lineTo(x, y + h);
      } else {
        c.moveTo(x, y + h);
      }

      if (mxUtils.getValue(this.style, 'left', '1') == '1') {
        c.lineTo(x, y);
      }

      c.end();
      c.stroke();
    }
  };

  mxCellRenderer.registerShape('partialRectangle', PartialRectangleShape);

  // LineEllipseShape
  function LineEllipseShape() {
    mxEllipse.call(this);
  };
  mxUtils.extend(LineEllipseShape, mxEllipse);
  LineEllipseShape.prototype.paintVertexShape = function (c, x, y, w, h) {
    mxEllipse.prototype.paintVertexShape.apply(this, arguments);

    c.setShadow(false);
    c.begin();

    if (mxUtils.getValue(this.style, 'line') == 'vertical') {
      c.moveTo(x + w / 2, y);
      c.lineTo(x + w / 2, y + h);
    } else {
      c.moveTo(x, y + h / 2);
      c.lineTo(x + w, y + h / 2);
    }

    c.end();
    c.stroke();
  };

  mxCellRenderer.registerShape('lineEllipse', LineEllipseShape);

  // Delay
  function DelayShape() {
    mxActor.call(this);
  };
  mxUtils.extend(DelayShape, mxActor);
  DelayShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dx = Math.min(w, h / 2);
    c.moveTo(0, 0);
    c.lineTo(w - dx, 0);
    c.quadTo(w, 0, w, h / 2);
    c.quadTo(w, h, w - dx, h);
    c.lineTo(0, h);
    c.close();
    c.end();
  };

  mxCellRenderer.registerShape('delay', DelayShape);

  // Cross Shape
  function CrossShape() {
    mxActor.call(this);
  };
  mxUtils.extend(CrossShape, mxActor);
  CrossShape.prototype.size = 0.2;
  CrossShape.prototype.redrawPath = function (c, x, y, w, h) {
    var m = Math.min(h, w);
    var size = Math.max(0, Math.min(m, m * parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var t = (h - size) / 2;
    var b = t + size;
    var l = (w - size) / 2;
    var r = l + size;

    c.moveTo(0, t);
    c.lineTo(l, t);
    c.lineTo(l, 0);
    c.lineTo(r, 0);
    c.lineTo(r, t);
    c.lineTo(w, t);
    c.lineTo(w, b);
    c.lineTo(r, b);
    c.lineTo(r, h);
    c.lineTo(l, h);
    c.lineTo(l, b);
    c.lineTo(0, b);
    c.close();
    c.end();
  };

  mxCellRenderer.registerShape('cross', CrossShape);

  // Display
  function DisplayShape() {
    mxActor.call(this);
  };
  mxUtils.extend(DisplayShape, mxActor);
  DisplayShape.prototype.size = 0.25;
  DisplayShape.prototype.redrawPath = function (c, x, y, w, h) {
    var dx = Math.min(w, h / 2);
    var s = Math.min(w - dx, Math.max(0, parseFloat(mxUtils.getValue(this.style, 'size', this.size))) * w);

    c.moveTo(0, h / 2);
    c.lineTo(s, 0);
    c.lineTo(w - dx, 0);
    c.quadTo(w, 0, w, h / 2);
    c.quadTo(w, h, w - dx, h);
    c.lineTo(s, h);
    c.close();
    c.end();
  };

  mxCellRenderer.registerShape('display', DisplayShape);

  // FilledEdge shape
  function FilledEdge() {
    mxConnector.call(this);
  };
  mxUtils.extend(FilledEdge, mxConnector);

  FilledEdge.prototype.origPaintEdgeShape = FilledEdge.prototype.paintEdgeShape;
  FilledEdge.prototype.paintEdgeShape = function (c, pts, rounded) {
    // Markers modify incoming points array
    var temp = [];

    for (var i = 0; i < pts.length; i++) {
      temp.push(mxUtils.clone(pts[i]));
    }

    // paintEdgeShape resets dashed to false
    var dashed = c.state.dashed;
    var fixDash = c.state.fixDash;
    FilledEdge.prototype.origPaintEdgeShape.apply(this, [c, temp, rounded]);

    if (c.state.strokeWidth >= 3) {
      var fillClr = mxUtils.getValue(this.style, 'fillColor', null);

      if (fillClr != null) {
        c.setStrokeColor(fillClr);
        c.setStrokeWidth(c.state.strokeWidth - 2);
        c.setDashed(dashed, fixDash);

        FilledEdge.prototype.origPaintEdgeShape.apply(this, [c, pts, rounded]);
      }
    }
  };

  // Registers the link shape
  mxCellRenderer.registerShape('filledEdge', FilledEdge);

  // Implements custom colors for shapes
  if (typeof StyleFormatPanel !== 'undefined') {
    (function () {
      var styleFormatPanelGetCustomColors = StyleFormatPanel.prototype.getCustomColors;

      StyleFormatPanel.prototype.getCustomColors = function () {
        var ss = this.format.getSelectionState();
        var result = styleFormatPanelGetCustomColors.apply(this, arguments);

        if (ss.style.shape == 'umlFrame') {
          result.push({title: mxResources.get('laneColor'), key: 'swimlaneFillColor', defaultValue: '#ffffff'});
        }

        return result;
      };
    })();
  }

  // Registers and defines the custom marker
  mxMarker.addMarker('dash', function (c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    var nx = unitX * (size + sw + 1);
    var ny = unitY * (size + sw + 1);

    return function () {
      c.begin();
      c.moveTo(pe.x - nx / 2 - ny / 2, pe.y - ny / 2 + nx / 2);
      c.lineTo(pe.x + ny / 2 - 3 * nx / 2, pe.y - 3 * ny / 2 - nx / 2);
      c.stroke();
    };
  });

  // Registers and defines the custom marker
  mxMarker.addMarker('box', function (c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    var nx = unitX * (size + sw + 1);
    var ny = unitY * (size + sw + 1);
    var px = pe.x + nx / 2;
    var py = pe.y + ny / 2;

    pe.x -= nx;
    pe.y -= ny;

    return function () {
      c.begin();
      c.moveTo(px - nx / 2 - ny / 2, py - ny / 2 + nx / 2);
      c.lineTo(px - nx / 2 + ny / 2, py - ny / 2 - nx / 2);
      c.lineTo(px + ny / 2 - 3 * nx / 2, py - 3 * ny / 2 - nx / 2);
      c.lineTo(px - ny / 2 - 3 * nx / 2, py - 3 * ny / 2 + nx / 2);
      c.close();

      if (filled) {
        c.fillAndStroke();
      } else {
        c.stroke();
      }
    };
  });

  // Registers and defines the custom marker
  mxMarker.addMarker('cross', function (c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    var nx = unitX * (size + sw + 1);
    var ny = unitY * (size + sw + 1);

    return function () {
      c.begin();
      c.moveTo(pe.x - nx / 2 - ny / 2, pe.y - ny / 2 + nx / 2);
      c.lineTo(pe.x + ny / 2 - 3 * nx / 2, pe.y - 3 * ny / 2 - nx / 2);
      c.moveTo(pe.x - nx / 2 + ny / 2, pe.y - ny / 2 - nx / 2);
      c.lineTo(pe.x - ny / 2 - 3 * nx / 2, pe.y - 3 * ny / 2 + nx / 2);
      c.stroke();
    };
  });

  function circleMarker(c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    var a = size / 2;
    var size = size + sw;

    var pt = pe.clone();

    pe.x -= unitX * (2 * size + sw);
    pe.y -= unitY * (2 * size + sw);

    unitX = unitX * (size + sw);
    unitY = unitY * (size + sw);

    return function () {
      c.ellipse(pt.x - unitX - size, pt.y - unitY - size, 2 * size, 2 * size);

      if (filled) {
        c.fillAndStroke();
      } else {
        c.stroke();
      }
    };
  };

  mxMarker.addMarker('circle', circleMarker);
  mxMarker.addMarker('circlePlus', function (c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    var pt = pe.clone();
    var fn = circleMarker.apply(this, arguments);
    var nx = unitX * (size + 2 * sw); // (size + sw + 1);
    var ny = unitY * (size + 2 * sw); //(size + sw + 1);

    return function () {
      fn.apply(this, arguments);

      c.begin();
      c.moveTo(pt.x - unitX * (sw), pt.y - unitY * (sw));
      c.lineTo(pt.x - 2 * nx + unitX * (sw), pt.y - 2 * ny + unitY * (sw));
      c.moveTo(pt.x - nx - ny + unitY * sw, pt.y - ny + nx - unitX * sw);
      c.lineTo(pt.x + ny - nx - unitY * sw, pt.y - ny - nx + unitX * sw);
      c.stroke();
    };
  });

  // Registers and defines the custom marker
  mxMarker.addMarker('halfCircle', function (c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    var nx = unitX * (size + sw + 1);
    var ny = unitY * (size + sw + 1);
    var pt = pe.clone();

    pe.x -= nx;
    pe.y -= ny;

    return function () {
      c.begin();
      c.moveTo(pt.x - ny, pt.y + nx);
      c.quadTo(pe.x - ny, pe.y + nx, pe.x, pe.y);
      c.quadTo(pe.x + ny, pe.y - nx, pt.x + ny, pt.y - nx);
      c.stroke();
    };
  });

  mxMarker.addMarker('async', function (c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    // The angle of the forward facing arrow sides against the x axis is
    // 26.565 degrees, 1/sin(26.565) = 2.236 / 2 = 1.118 ( / 2 allows for
    // only half the strokewidth is processed ).
    var endOffsetX = unitX * sw * 1.118;
    var endOffsetY = unitY * sw * 1.118;

    unitX = unitX * (size + sw);
    unitY = unitY * (size + sw);

    var pt = pe.clone();
    pt.x -= endOffsetX;
    pt.y -= endOffsetY;

    var f = 1;
    pe.x += -unitX * f - endOffsetX;
    pe.y += -unitY * f - endOffsetY;

    return function () {
      c.begin();
      c.moveTo(pt.x, pt.y);

      if (source) {
        c.lineTo(pt.x - unitX - unitY / 2, pt.y - unitY + unitX / 2);
      } else {
        c.lineTo(pt.x + unitY / 2 - unitX, pt.y - unitY - unitX / 2);
      }

      c.lineTo(pt.x - unitX, pt.y - unitY);
      c.close();

      if (filled) {
        c.fillAndStroke();
      } else {
        c.stroke();
      }
    };
  });

  function createOpenAsyncArrow(widthFactor) {
    widthFactor = (widthFactor != null) ? widthFactor : 2;

    return function (c, shape, type, pe, unitX, unitY, size, source, sw, filled) {
      unitX = unitX * (size + sw);
      unitY = unitY * (size + sw);

      var pt = pe.clone();

      return function () {
        c.begin();
        c.moveTo(pt.x, pt.y);

        if (source) {
          c.lineTo(pt.x - unitX - unitY / widthFactor, pt.y - unitY + unitX / widthFactor);
        } else {
          c.lineTo(pt.x + unitY / widthFactor - unitX, pt.y - unitY - unitX / widthFactor);
        }

        c.stroke();
      };
    }
  };

  mxMarker.addMarker('openAsync', createOpenAsyncArrow(2));

  function arrow(canvas, shape, type, pe, unitX, unitY, size, source, sw, filled) {
    // The angle of the forward facing arrow sides against the x axis is
    // 26.565 degrees, 1/sin(26.565) = 2.236 / 2 = 1.118 ( / 2 allows for
    // only half the strokewidth is processed ).
    var endOffsetX = unitX * sw * 1.118;
    var endOffsetY = unitY * sw * 1.118;

    unitX = unitX * (size + sw);
    unitY = unitY * (size + sw);

    var pt = pe.clone();
    pt.x -= endOffsetX;
    pt.y -= endOffsetY;

    var f = (type != mxConstants.ARROW_CLASSIC && type != mxConstants.ARROW_CLASSIC_THIN) ? 1 : 3 / 4;
    pe.x += -unitX * f - endOffsetX;
    pe.y += -unitY * f - endOffsetY;

    return function () {
      canvas.begin();
      canvas.moveTo(pt.x, pt.y);
      canvas.lineTo(pt.x - unitX - unitY / widthFactor, pt.y - unitY + unitX / widthFactor);

      if (type == mxConstants.ARROW_CLASSIC || type == mxConstants.ARROW_CLASSIC_THIN) {
        canvas.lineTo(pt.x - unitX * 3 / 4, pt.y - unitY * 3 / 4);
      }

      canvas.lineTo(pt.x + unitY / widthFactor - unitX, pt.y - unitY - unitX / widthFactor);
      canvas.close();

      if (filled) {
        canvas.fillAndStroke();
      } else {
        canvas.stroke();
      }
    };
  }

  // Handlers are only added if mxVertexHandler is defined (ie. not in embedded graph)
  if (typeof mxVertexHandler !== 'undefined') {
    function createHandle(state, keys, getPositionFn, setPositionFn, ignoreGrid, redrawEdges, executeFn) {
      var handle = new mxHandle(state, null, mxVertexHandler.prototype.secondaryHandleImage);

      handle.execute = function (me) {
        for (var i = 0; i < keys.length; i++) {
          this.copyStyle(keys[i]);
        }

        if (executeFn) {
          executeFn(me);
        }
      };

      handle.getPosition = getPositionFn;
      handle.setPosition = setPositionFn;
      handle.ignoreGrid = (ignoreGrid != null) ? ignoreGrid : true;

      // Overridden to update connected edges
      if (redrawEdges) {
        var positionChanged = handle.positionChanged;

        handle.positionChanged = function () {
          positionChanged.apply(this, arguments);

          // Redraws connected edges TODO: Include child edges
          state.view.invalidate(this.state.cell);
          state.view.validate();
        };
      }

      return handle;
    };

    function createArcHandle(state, yOffset) {
      return createHandle(state, [mxConstants.STYLE_ARCSIZE], function (bounds) {
        var tmp = (yOffset != null) ? yOffset : bounds.height / 8;

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ABSOLUTE_ARCSIZE, 0) == '1') {
          var arcSize = mxUtils.getValue(state.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;

          return new mxPoint(bounds.x + bounds.width - Math.min(bounds.width / 2, arcSize), bounds.y + tmp);
        } else {
          var arcSize = Math.max(0, parseFloat(mxUtils.getValue(state.style,
            mxConstants.STYLE_ARCSIZE, mxConstants.RECTANGLE_ROUNDING_FACTOR * 100))) / 100;

          return new mxPoint(bounds.x + bounds.width - Math.min(Math.max(bounds.width / 2, bounds.height / 2),
            Math.min(bounds.width, bounds.height) * arcSize), bounds.y + tmp);
        }
      }, function (bounds, pt, me) {
        if (mxUtils.getValue(state.style, mxConstants.STYLE_ABSOLUTE_ARCSIZE, 0) == '1') {
          this.state.style[mxConstants.STYLE_ARCSIZE] = Math.round(Math.max(0, Math.min(bounds.width,
            (bounds.x + bounds.width - pt.x) * 2)));
        } else {
          var f = Math.min(50, Math.max(0, (bounds.width - pt.x + bounds.x) * 100 /
            Math.min(bounds.width, bounds.height)));
          this.state.style[mxConstants.STYLE_ARCSIZE] = Math.round(f);
        }
      });
    }

    function createArcHandleFunction() {
      return function (state) {
        var handles = [];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      };
    };

    function createTrapezoidHandleFunction(max) {
      return function (state) {
        var handles = [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(max, parseFloat(mxUtils.getValue(this.state.style, 'size', TrapezoidShape.prototype.size))));

          return new mxPoint(bounds.x + size * bounds.width * 0.75, bounds.y + bounds.height / 4);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.max(0, Math.min(max, (pt.x - bounds.x) / (bounds.width * 0.75)));
        }, false, true)];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      };
    };

    function createDisplayHandleFunction(defaultValue, allowArcHandle, max, redrawEdges, fixedDefaultValue) {
      max = (max != null) ? max : 1;

      return function (state) {
        var handles = [createHandle(state, ['size'], function (bounds) {
          var fixed = (fixedDefaultValue != null) ? mxUtils.getValue(this.state.style, 'fixedSize', '0') != '0' : null;
          var size = parseFloat(mxUtils.getValue(this.state.style, 'size', (fixed) ? fixedDefaultValue : defaultValue));

          return new mxPoint(bounds.x + Math.max(0, Math.min(bounds.width, size * ((fixed) ? 1 : bounds.width))), bounds.getCenterY());
        }, function (bounds, pt, me) {
          var fixed = (fixedDefaultValue != null) ? mxUtils.getValue(this.state.style, 'fixedSize', '0') != '0' : null;
          var size = (fixed) ? (pt.x - bounds.x) : Math.max(0, Math.min(max, (pt.x - bounds.x) / bounds.width));

          this.state.style['size'] = size;
        }, false, redrawEdges)];

        if (allowArcHandle && mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      };
    };

    function createCubeHandleFunction(factor, defaultValue, allowArcHandle) {
      return function (state) {
        var handles = [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(bounds.width, Math.min(bounds.height, parseFloat(
            mxUtils.getValue(this.state.style, 'size', defaultValue))))) * factor;

          return new mxPoint(bounds.x + size, bounds.y + size);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.round(Math.max(0, Math.min(Math.min(bounds.width, pt.x - bounds.x),
            Math.min(bounds.height, pt.y - bounds.y))) / factor);
        }, false)];

        if (allowArcHandle && mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      };
    };

    function createArrowHandleFunction(maxSize) {
      return function (state) {
        return [createHandle(state, ['arrowWidth', 'arrowSize'], function (bounds) {
          var aw = Math.max(0, Math.min(1, mxUtils.getValue(this.state.style, 'arrowWidth', SingleArrowShape.prototype.arrowWidth)));
          var as = Math.max(0, Math.min(maxSize, mxUtils.getValue(this.state.style, 'arrowSize', SingleArrowShape.prototype.arrowSize)));

          return new mxPoint(bounds.x + (1 - as) * bounds.width, bounds.y + (1 - aw) * bounds.height / 2);
        }, function (bounds, pt) {
          this.state.style['arrowWidth'] = Math.max(0, Math.min(1, Math.abs(bounds.y + bounds.height / 2 - pt.y) / bounds.height * 2));
          this.state.style['arrowSize'] = Math.max(0, Math.min(maxSize, (bounds.x + bounds.width - pt.x) / (bounds.width)));
        })];
      };
    };

    function createEdgeHandle(state, keys, start, getPosition, setPosition) {
      return createHandle(state, keys, function (bounds) {
        var pts = state.absolutePoints;
        var n = pts.length - 1;

        var tr = state.view.translate;
        var s = state.view.scale;

        var p0 = (start) ? pts[0] : pts[n];
        var p1 = (start) ? pts[1] : pts[n - 1];
        var dx = (start) ? p1.x - p0.x : p1.x - p0.x;
        var dy = (start) ? p1.y - p0.y : p1.y - p0.y;

        var dist = Math.sqrt(dx * dx + dy * dy);

        var pt = getPosition.call(this, dist, dx / dist, dy / dist, p0, p1);

        return new mxPoint(pt.x / s - tr.x, pt.y / s - tr.y);
      }, function (bounds, pt, me) {
        var pts = state.absolutePoints;
        var n = pts.length - 1;

        var tr = state.view.translate;
        var s = state.view.scale;

        var p0 = (start) ? pts[0] : pts[n];
        var p1 = (start) ? pts[1] : pts[n - 1];
        var dx = (start) ? p1.x - p0.x : p1.x - p0.x;
        var dy = (start) ? p1.y - p0.y : p1.y - p0.y;

        var dist = Math.sqrt(dx * dx + dy * dy);
        pt.x = (pt.x + tr.x) * s;
        pt.y = (pt.y + tr.y) * s;

        setPosition.call(this, dist, dx / dist, dy / dist, p0, p1, pt, me);
      });
    };

    function createEdgeWidthHandle(state, start, spacing) {
      return createEdgeHandle(state, ['width'], start, function (dist, nx, ny, p0, p1) {
        var w = state.shape.getEdgeWidth() * state.view.scale + spacing;

        return new mxPoint(p0.x + nx * dist / 4 + ny * w / 2, p0.y + ny * dist / 4 - nx * w / 2);
      }, function (dist, nx, ny, p0, p1, pt) {
        var w = Math.sqrt(mxUtils.ptSegDistSq(p0.x, p0.y, p1.x, p1.y, pt.x, pt.y));
        state.style['width'] = Math.round(w * 2) / state.view.scale - spacing;
      });
    };

    function ptLineDistance(x1, y1, x2, y2, x0, y0) {
      return Math.abs((y2 - y1) * x0 - (x2 - x1) * y0 + x2 * y1 - y2 * x1) / Math.sqrt((y2 - y1) * (y2 - y1) + (x2 - x1) * (x2 - x1));
    }

    var handleFactory = {
      'link': function (state) {
        var spacing = 10;

        return [createEdgeWidthHandle(state, true, spacing), createEdgeWidthHandle(state, false, spacing)];
      },
      'flexArrow': function (state) {
        // Do not use state.shape.startSize/endSize since it is cached
        var tol = state.view.graph.gridSize / state.view.scale;
        var handles = [];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_STARTARROW, mxConstants.NONE) != mxConstants.NONE) {
          handles.push(createEdgeHandle(state, ['width', mxConstants.STYLE_STARTSIZE, mxConstants.STYLE_ENDSIZE], true, function (dist, nx, ny, p0, p1) {
            var w = (state.shape.getEdgeWidth() - state.shape.strokewidth) * state.view.scale;
            var l = mxUtils.getNumber(state.style, mxConstants.STYLE_STARTSIZE, mxConstants.ARROW_SIZE / 5) * 3 * state.view.scale;

            return new mxPoint(p0.x + nx * (l + state.shape.strokewidth * state.view.scale) + ny * w / 2,
              p0.y + ny * (l + state.shape.strokewidth * state.view.scale) - nx * w / 2);
          }, function (dist, nx, ny, p0, p1, pt, me) {
            var w = Math.sqrt(mxUtils.ptSegDistSq(p0.x, p0.y, p1.x, p1.y, pt.x, pt.y));
            var l = mxUtils.ptLineDist(p0.x, p0.y, p0.x + ny, p0.y - nx, pt.x, pt.y);

            state.style[mxConstants.STYLE_STARTSIZE] = Math.round((l - state.shape.strokewidth) * 100 / 3) / 100 / state.view.scale;
            state.style['width'] = Math.round(w * 2) / state.view.scale;

            // Applies to opposite side
            if (mxEvent.isControlDown(me.getEvent())) {
              state.style[mxConstants.STYLE_ENDSIZE] = state.style[mxConstants.STYLE_STARTSIZE];
            }

            // Snaps to end geometry
            if (!mxEvent.isAltDown(me.getEvent())) {
              if (Math.abs(parseFloat(state.style[mxConstants.STYLE_STARTSIZE]) - parseFloat(state.style[mxConstants.STYLE_ENDSIZE])) < tol / 6) {
                state.style[mxConstants.STYLE_STARTSIZE] = state.style[mxConstants.STYLE_ENDSIZE];
              }
            }
          }));

          handles.push(createEdgeHandle(state, ['startWidth', 'endWidth', mxConstants.STYLE_STARTSIZE, mxConstants.STYLE_ENDSIZE], true, function (dist, nx, ny, p0, p1) {
            var w = (state.shape.getStartArrowWidth() - state.shape.strokewidth) * state.view.scale;
            var l = mxUtils.getNumber(state.style, mxConstants.STYLE_STARTSIZE, mxConstants.ARROW_SIZE / 5) * 3 * state.view.scale;

            return new mxPoint(p0.x + nx * (l + state.shape.strokewidth * state.view.scale) + ny * w / 2,
              p0.y + ny * (l + state.shape.strokewidth * state.view.scale) - nx * w / 2);
          }, function (dist, nx, ny, p0, p1, pt, me) {
            var w = Math.sqrt(mxUtils.ptSegDistSq(p0.x, p0.y, p1.x, p1.y, pt.x, pt.y));
            var l = mxUtils.ptLineDist(p0.x, p0.y, p0.x + ny, p0.y - nx, pt.x, pt.y);

            state.style[mxConstants.STYLE_STARTSIZE] = Math.round((l - state.shape.strokewidth) * 100 / 3) / 100 / state.view.scale;
            state.style['startWidth'] = Math.max(0, Math.round(w * 2) - state.shape.getEdgeWidth()) / state.view.scale;

            // Applies to opposite side
            if (mxEvent.isControlDown(me.getEvent())) {
              state.style[mxConstants.STYLE_ENDSIZE] = state.style[mxConstants.STYLE_STARTSIZE];
              state.style['endWidth'] = state.style['startWidth'];
            }

            // Snaps to endWidth
            if (!mxEvent.isAltDown(me.getEvent())) {
              if (Math.abs(parseFloat(state.style[mxConstants.STYLE_STARTSIZE]) - parseFloat(state.style[mxConstants.STYLE_ENDSIZE])) < tol / 6) {
                state.style[mxConstants.STYLE_STARTSIZE] = state.style[mxConstants.STYLE_ENDSIZE];
              }

              if (Math.abs(parseFloat(state.style['startWidth']) - parseFloat(state.style['endWidth'])) < tol) {
                state.style['startWidth'] = state.style['endWidth'];
              }
            }
          }));
        }

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ENDARROW, mxConstants.NONE) != mxConstants.NONE) {
          handles.push(createEdgeHandle(state, ['width', mxConstants.STYLE_STARTSIZE, mxConstants.STYLE_ENDSIZE], false, function (dist, nx, ny, p0, p1) {
            var w = (state.shape.getEdgeWidth() - state.shape.strokewidth) * state.view.scale;
            var l = mxUtils.getNumber(state.style, mxConstants.STYLE_ENDSIZE, mxConstants.ARROW_SIZE / 5) * 3 * state.view.scale;

            return new mxPoint(p0.x + nx * (l + state.shape.strokewidth * state.view.scale) - ny * w / 2,
              p0.y + ny * (l + state.shape.strokewidth * state.view.scale) + nx * w / 2);
          }, function (dist, nx, ny, p0, p1, pt, me) {
            var w = Math.sqrt(mxUtils.ptSegDistSq(p0.x, p0.y, p1.x, p1.y, pt.x, pt.y));
            var l = mxUtils.ptLineDist(p0.x, p0.y, p0.x + ny, p0.y - nx, pt.x, pt.y);

            state.style[mxConstants.STYLE_ENDSIZE] = Math.round((l - state.shape.strokewidth) * 100 / 3) / 100 / state.view.scale;
            state.style['width'] = Math.round(w * 2) / state.view.scale;

            // Applies to opposite side
            if (mxEvent.isControlDown(me.getEvent())) {
              state.style[mxConstants.STYLE_STARTSIZE] = state.style[mxConstants.STYLE_ENDSIZE];
            }

            // Snaps to start geometry
            if (!mxEvent.isAltDown(me.getEvent())) {
              if (Math.abs(parseFloat(state.style[mxConstants.STYLE_ENDSIZE]) - parseFloat(state.style[mxConstants.STYLE_STARTSIZE])) < tol / 6) {
                state.style[mxConstants.STYLE_ENDSIZE] = state.style[mxConstants.STYLE_STARTSIZE];
              }
            }
          }));

          handles.push(createEdgeHandle(state, ['startWidth', 'endWidth', mxConstants.STYLE_STARTSIZE, mxConstants.STYLE_ENDSIZE], false, function (dist, nx, ny, p0, p1) {
            var w = (state.shape.getEndArrowWidth() - state.shape.strokewidth) * state.view.scale;
            var l = mxUtils.getNumber(state.style, mxConstants.STYLE_ENDSIZE, mxConstants.ARROW_SIZE / 5) * 3 * state.view.scale;

            return new mxPoint(p0.x + nx * (l + state.shape.strokewidth * state.view.scale) - ny * w / 2,
              p0.y + ny * (l + state.shape.strokewidth * state.view.scale) + nx * w / 2);
          }, function (dist, nx, ny, p0, p1, pt, me) {
            var w = Math.sqrt(mxUtils.ptSegDistSq(p0.x, p0.y, p1.x, p1.y, pt.x, pt.y));
            var l = mxUtils.ptLineDist(p0.x, p0.y, p0.x + ny, p0.y - nx, pt.x, pt.y);

            state.style[mxConstants.STYLE_ENDSIZE] = Math.round((l - state.shape.strokewidth) * 100 / 3) / 100 / state.view.scale;
            state.style['endWidth'] = Math.max(0, Math.round(w * 2) - state.shape.getEdgeWidth()) / state.view.scale;

            // Applies to opposite side
            if (mxEvent.isControlDown(me.getEvent())) {
              state.style[mxConstants.STYLE_STARTSIZE] = state.style[mxConstants.STYLE_ENDSIZE];
              state.style['startWidth'] = state.style['endWidth'];
            }

            // Snaps to start geometry
            if (!mxEvent.isAltDown(me.getEvent())) {
              if (Math.abs(parseFloat(state.style[mxConstants.STYLE_ENDSIZE]) - parseFloat(state.style[mxConstants.STYLE_STARTSIZE])) < tol / 6) {
                state.style[mxConstants.STYLE_ENDSIZE] = state.style[mxConstants.STYLE_STARTSIZE];
              }

              if (Math.abs(parseFloat(state.style['endWidth']) - parseFloat(state.style['startWidth'])) < tol) {
                state.style['endWidth'] = state.style['startWidth'];
              }
            }
          }));
        }

        return handles;
      },
      'swimlane': function (state) {
        var handles = [];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED)) {
          var size = parseFloat(mxUtils.getValue(state.style, mxConstants.STYLE_STARTSIZE, mxConstants.DEFAULT_STARTSIZE));
          handles.push(createArcHandle(state, size / 2));
        }

        // Start size handle must be last item in handles for hover to work in tables (see mouse event handler in Graph)
        handles.push(createHandle(state, [mxConstants.STYLE_STARTSIZE], function (bounds) {
          var size = parseFloat(mxUtils.getValue(state.style, mxConstants.STYLE_STARTSIZE, mxConstants.DEFAULT_STARTSIZE));

          if (mxUtils.getValue(state.style, mxConstants.STYLE_HORIZONTAL, 1) == 1) {
            return new mxPoint(bounds.getCenterX(), bounds.y + Math.max(0, Math.min(bounds.height, size)));
          } else {
            return new mxPoint(bounds.x + Math.max(0, Math.min(bounds.width, size)), bounds.getCenterY());
          }
        }, function (bounds, pt) {
          state.style[mxConstants.STYLE_STARTSIZE] =
            (mxUtils.getValue(this.state.style, mxConstants.STYLE_HORIZONTAL, 1) == 1) ?
              Math.round(Math.max(0, Math.min(bounds.height, pt.y - bounds.y))) :
              Math.round(Math.max(0, Math.min(bounds.width, pt.x - bounds.x)));
        }, false, null, function (me) {
          if (mxEvent.isShiftDown(me.getEvent())) {
            var graph = state.view.graph;

            if (graph.isTableRow(state.cell) || graph.isTableCell(state.cell)) {
              var dir = graph.getSwimlaneDirection(state.style);
              var parent = graph.model.getParent(state.cell);
              var cells = graph.model.getChildCells(parent, true);
              var temp = [];

              for (var i = 0; i < cells.length; i++) {
                // Finds siblings with the same direction and to set start size
                if (cells[i] != state.cell && graph.isSwimlane(cells[i]) &&
                  graph.getSwimlaneDirection(graph.getCurrentCellStyle(
                    cells[i])) == dir) {
                  temp.push(cells[i]);
                }
              }

              graph.setCellStyles(mxConstants.STYLE_STARTSIZE,
                state.style[mxConstants.STYLE_STARTSIZE], temp);
            }
          }
        }));

        return handles;
      },
      'label': createArcHandleFunction(),
      'ext': createArcHandleFunction(),
      'rectangle': createArcHandleFunction(),
      'triangle': createArcHandleFunction(),
      'rhombus': createArcHandleFunction(),
      'umlLifeline': function (state) {
        return [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(bounds.height, parseFloat(mxUtils.getValue(this.state.style, 'size', UmlLifeline.prototype.size))));

          return new mxPoint(bounds.getCenterX(), bounds.y + size);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.round(Math.max(0, Math.min(bounds.height, pt.y - bounds.y)));
        }, false)];
      },
      'umlFrame': function (state) {
        var handles = [createHandle(state, ['width', 'height'], function (bounds) {
          var w0 = Math.max(UmlFrame.prototype.corner, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'width', UmlFrame.prototype.width)));
          var h0 = Math.max(UmlFrame.prototype.corner * 1.5, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'height', UmlFrame.prototype.height)));

          return new mxPoint(bounds.x + w0, bounds.y + h0);
        }, function (bounds, pt) {
          this.state.style['width'] = Math.round(Math.max(UmlFrame.prototype.corner, Math.min(bounds.width, pt.x - bounds.x)));
          this.state.style['height'] = Math.round(Math.max(UmlFrame.prototype.corner * 1.5, Math.min(bounds.height, pt.y - bounds.y)));
        }, false)];

        return handles;
      },
      'process': function (state) {
        var handles = [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(0.5, parseFloat(mxUtils.getValue(this.state.style, 'size', ProcessShape.prototype.size))));

          return new mxPoint(bounds.x + bounds.width * size, bounds.y + bounds.height / 4);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.max(0, Math.min(0.5, (pt.x - bounds.x) / bounds.width));
        }, false)];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      },
      'cross': function (state) {
        return [createHandle(state, ['size'], function (bounds) {
          var m = Math.min(bounds.width, bounds.height);
          var size = Math.max(0, Math.min(1, mxUtils.getValue(this.state.style, 'size', CrossShape.prototype.size))) * m / 2;

          return new mxPoint(bounds.getCenterX() - size, bounds.getCenterY() - size);
        }, function (bounds, pt) {
          var m = Math.min(bounds.width, bounds.height);
          this.state.style['size'] = Math.max(0, Math.min(1, Math.min((Math.max(0, bounds.getCenterY() - pt.y) / m) * 2,
            (Math.max(0, bounds.getCenterX() - pt.x) / m) * 2)));
        })];
      },
      'note': function (state) {
        return [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(bounds.width, Math.min(bounds.height, parseFloat(
            mxUtils.getValue(this.state.style, 'size', NoteShape.prototype.size)))));

          return new mxPoint(bounds.x + bounds.width - size, bounds.y + size);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.round(Math.max(0, Math.min(Math.min(bounds.width, bounds.x + bounds.width - pt.x),
            Math.min(bounds.height, pt.y - bounds.y))));
        })];
      },
      'manualInput': function (state) {
        var handles = [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'size', ManualInputShape.prototype.size)));

          return new mxPoint(bounds.x + bounds.width / 4, bounds.y + size * 3 / 4);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.round(Math.max(0, Math.min(bounds.height, (pt.y - bounds.y) * 4 / 3)));
        }, false)];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      },
      'dataStorage': function (state) {
        return [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.state.style, 'size', DataStorageShape.prototype.size))));

          return new mxPoint(bounds.x + (1 - size) * bounds.width, bounds.getCenterY());
        }, function (bounds, pt) {
          this.state.style['size'] = Math.max(0, Math.min(1, (bounds.x + bounds.width - pt.x) / bounds.width));
        }, false)];
      },
      'callout': function (state) {
        var handles = [createHandle(state, ['size', 'position'], function (bounds) {
          var size = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'size', CalloutShape.prototype.size)));
          var position = Math.max(0, Math.min(1, mxUtils.getValue(this.state.style, 'position', CalloutShape.prototype.position)));
          var base = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'base', CalloutShape.prototype.base)));

          return new mxPoint(bounds.x + position * bounds.width, bounds.y + bounds.height - size);
        }, function (bounds, pt) {
          var base = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'base', CalloutShape.prototype.base)));
          this.state.style['size'] = Math.round(Math.max(0, Math.min(bounds.height, bounds.y + bounds.height - pt.y)));
          this.state.style['position'] = Math.round(Math.max(0, Math.min(1, (pt.x - bounds.x) / bounds.width)) * 100) / 100;
        }, false), createHandle(state, ['position2'], function (bounds) {
          var position2 = Math.max(0, Math.min(1, mxUtils.getValue(this.state.style, 'position2', CalloutShape.prototype.position2)));

          return new mxPoint(bounds.x + position2 * bounds.width, bounds.y + bounds.height);
        }, function (bounds, pt) {
          this.state.style['position2'] = Math.round(Math.max(0, Math.min(1, (pt.x - bounds.x) / bounds.width)) * 100) / 100;
        }, false), createHandle(state, ['base'], function (bounds) {
          var size = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'size', CalloutShape.prototype.size)));
          var position = Math.max(0, Math.min(1, mxUtils.getValue(this.state.style, 'position', CalloutShape.prototype.position)));
          var base = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'base', CalloutShape.prototype.base)));

          return new mxPoint(bounds.x + Math.min(bounds.width, position * bounds.width + base), bounds.y + bounds.height - size);
        }, function (bounds, pt) {
          var position = Math.max(0, Math.min(1, mxUtils.getValue(this.state.style, 'position', CalloutShape.prototype.position)));

          this.state.style['base'] = Math.round(Math.max(0, Math.min(bounds.width, pt.x - bounds.x - position * bounds.width)));
        }, false)];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      },
      'internalStorage': function (state) {
        var handles = [createHandle(state, ['dx', 'dy'], function (bounds) {
          var dx = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'dx', InternalStorageShape.prototype.dx)));
          var dy = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'dy', InternalStorageShape.prototype.dy)));

          return new mxPoint(bounds.x + dx, bounds.y + dy);
        }, function (bounds, pt) {
          this.state.style['dx'] = Math.round(Math.max(0, Math.min(bounds.width, pt.x - bounds.x)));
          this.state.style['dy'] = Math.round(Math.max(0, Math.min(bounds.height, pt.y - bounds.y)));
        }, false)];

        if (mxUtils.getValue(state.style, mxConstants.STYLE_ROUNDED, false)) {
          handles.push(createArcHandle(state));
        }

        return handles;
      },
      'module': function (state) {
        var handles = [createHandle(state, ['jettyWidth', 'jettyHeight'], function (bounds) {
          var dx = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'jettyWidth', ModuleShape.prototype.jettyWidth)));
          var dy = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'jettyHeight', ModuleShape.prototype.jettyHeight)));

          return new mxPoint(bounds.x + dx / 2, bounds.y + dy * 2);
        }, function (bounds, pt) {
          this.state.style['jettyWidth'] = Math.round(Math.max(0, Math.min(bounds.width, pt.x - bounds.x)) * 2);
          this.state.style['jettyHeight'] = Math.round(Math.max(0, Math.min(bounds.height, pt.y - bounds.y)) / 2);
        })];

        return handles;
      },
      'corner': function (state) {
        return [createHandle(state, ['dx', 'dy'], function (bounds) {
          var dx = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'dx', CornerShape.prototype.dx)));
          var dy = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'dy', CornerShape.prototype.dy)));

          return new mxPoint(bounds.x + dx, bounds.y + dy);
        }, function (bounds, pt) {
          this.state.style['dx'] = Math.round(Math.max(0, Math.min(bounds.width, pt.x - bounds.x)));
          this.state.style['dy'] = Math.round(Math.max(0, Math.min(bounds.height, pt.y - bounds.y)));
        }, false)];
      },
      'tee': function (state) {
        return [createHandle(state, ['dx', 'dy'], function (bounds) {
          var dx = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'dx', TeeShape.prototype.dx)));
          var dy = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'dy', TeeShape.prototype.dy)));

          return new mxPoint(bounds.x + (bounds.width + dx) / 2, bounds.y + dy);
        }, function (bounds, pt) {
          this.state.style['dx'] = Math.round(Math.max(0, Math.min(bounds.width / 2, (pt.x - bounds.x - bounds.width / 2)) * 2));
          this.state.style['dy'] = Math.round(Math.max(0, Math.min(bounds.height, pt.y - bounds.y)));
        }, false)];
      },
      'singleArrow': createArrowHandleFunction(1),
      'doubleArrow': createArrowHandleFunction(0.5),
      'folder': function (state) {
        return [createHandle(state, ['tabWidth', 'tabHeight'], function (bounds) {
          var tw = Math.max(0, Math.min(bounds.width, mxUtils.getValue(this.state.style, 'tabWidth', FolderShape.prototype.tabWidth)));
          var th = Math.max(0, Math.min(bounds.height, mxUtils.getValue(this.state.style, 'tabHeight', FolderShape.prototype.tabHeight)));

          if (mxUtils.getValue(this.state.style, 'tabPosition', FolderShape.prototype.tabPosition) == mxConstants.ALIGN_RIGHT) {
            tw = bounds.width - tw;
          }

          return new mxPoint(bounds.x + tw, bounds.y + th);
        }, function (bounds, pt) {
          var tw = Math.max(0, Math.min(bounds.width, pt.x - bounds.x));

          if (mxUtils.getValue(this.state.style, 'tabPosition', FolderShape.prototype.tabPosition) == mxConstants.ALIGN_RIGHT) {
            tw = bounds.width - tw;
          }

          this.state.style['tabWidth'] = Math.round(tw);
          this.state.style['tabHeight'] = Math.round(Math.max(0, Math.min(bounds.height, pt.y - bounds.y)));
        }, false)];
      },
      'document': function (state) {
        return [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.state.style, 'size', DocumentShape.prototype.size))));

          return new mxPoint(bounds.x + 3 * bounds.width / 4, bounds.y + (1 - size) * bounds.height);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.max(0, Math.min(1, (bounds.y + bounds.height - pt.y) / bounds.height));
        }, false)];
      },
      'tape': function (state) {
        return [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.state.style, 'size', TapeShape.prototype.size))));

          return new mxPoint(bounds.getCenterX(), bounds.y + size * bounds.height / 2);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.max(0, Math.min(1, ((pt.y - bounds.y) / bounds.height) * 2));
        }, false)];
      },
      'offPageConnector': function (state) {
        return [createHandle(state, ['size'], function (bounds) {
          var size = Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.state.style, 'size', OffPageConnectorShape.prototype.size))));

          return new mxPoint(bounds.getCenterX(), bounds.y + (1 - size) * bounds.height);
        }, function (bounds, pt) {
          this.state.style['size'] = Math.max(0, Math.min(1, (bounds.y + bounds.height - pt.y) / bounds.height));
        }, false)];
      },
      'step': createDisplayHandleFunction(StepShape.prototype.size, true, null, true, StepShape.prototype.fixedSize),
      'hexagon': createDisplayHandleFunction(HexagonShape.prototype.size, true, 0.5, true),
      'curlyBracket': createDisplayHandleFunction(CurlyBracketShape.prototype.size, false),
      'display': createDisplayHandleFunction(DisplayShape.prototype.size, false),
      'cube': createCubeHandleFunction(1, CubeShape.prototype.size, false),
      'card': createCubeHandleFunction(0.5, CardShape.prototype.size, true),
      'loopLimit': createCubeHandleFunction(0.5, LoopLimitShape.prototype.size, true),
      'trapezoid': createTrapezoidHandleFunction(0.5),
      'parallelogram': createTrapezoidHandleFunction(1)
    };

    // Exposes custom handles
    Graph.createHandle = createHandle;
    Graph.handleFactory = handleFactory;

    var vertexHandlerCreateCustomHandles = mxVertexHandler.prototype.createCustomHandles;

    mxVertexHandler.prototype.createCustomHandles = function () {
      var handles = vertexHandlerCreateCustomHandles.apply(this, arguments);

      if (this.graph.isCellRotatable(this.state.cell))
        // LATER: Make locked state independent of rotatable flag, fix toggle if default is false
        //if (this.graph.isCellResizable(this.state.cell) || this.graph.isCellMovable(this.state.cell))
      {
        var name = this.state.style['shape'];

        if (mxCellRenderer.defaultShapes[name] == null &&
          mxStencilRegistry.getStencil(name) == null) {
          name = mxConstants.SHAPE_RECTANGLE;
        } else if (this.state.view.graph.isSwimlane(this.state.cell)) {
          name = mxConstants.SHAPE_SWIMLANE;
        }

        var fn = handleFactory[name];

        if (fn == null && this.state.shape != null && this.state.shape.isRoundable()) {
          fn = handleFactory[mxConstants.SHAPE_RECTANGLE];
        }

        if (fn != null) {
          var temp = fn(this.state);

          if (temp != null) {
            if (handles == null) {
              handles = temp;
            } else {
              handles = handles.concat(temp);
            }
          }
        }
      }

      return handles;
    };

    mxEdgeHandler.prototype.createCustomHandles = function () {
      var name = this.state.style['shape'];

      if (mxCellRenderer.defaultShapes[name] == null &&
        mxStencilRegistry.getStencil(name) == null) {
        name = mxConstants.SHAPE_CONNECTOR;
      }

      var fn = handleFactory[name];

      if (fn != null) {
        return fn(this.state);
      }

      return null;
    }
  } else {
    // Dummy entries to avoid NPE in embed mode
    Graph.createHandle = function () {
    };
    Graph.handleFactory = {};
  }

  var isoHVector = new mxPoint(1, 0);
  var isoVVector = new mxPoint(1, 0);

  var alpha1 = mxUtils.toRadians(-30);

  var cos1 = Math.cos(alpha1);
  var sin1 = Math.sin(alpha1);

  isoHVector = mxUtils.getRotatedPoint(isoHVector, cos1, sin1);

  var alpha2 = mxUtils.toRadians(-150);

  var cos2 = Math.cos(alpha2);
  var sin2 = Math.sin(alpha2);

  isoVVector = mxUtils.getRotatedPoint(isoVVector, cos2, sin2);

  mxEdgeStyle.IsometricConnector = function (state, source, target, points, result) {
    var view = state.view;
    var pt = (points != null && points.length > 0) ? points[0] : null;
    var pts = state.absolutePoints;
    var p0 = pts[0];
    var pe = pts[pts.length - 1];

    if (pt != null) {
      pt = view.transformControlPoint(state, pt);
    }

    if (p0 == null) {
      if (source != null) {
        p0 = new mxPoint(source.getCenterX(), source.getCenterY());
      }
    }

    if (pe == null) {
      if (target != null) {
        pe = new mxPoint(target.getCenterX(), target.getCenterY());
      }
    }

    var a1 = isoHVector.x;
    var a2 = isoHVector.y;

    var b1 = isoVVector.x;
    var b2 = isoVVector.y;

    var elbow = mxUtils.getValue(state.style, 'elbow', 'horizontal') == 'horizontal';

    if (pe != null && p0 != null) {
      var last = p0;

      function isoLineTo(x, y, ignoreFirst) {
        var c1 = x - last.x;
        var c2 = y - last.y;

        // Solves for isometric base vectors
        var h = (b2 * c1 - b1 * c2) / (a1 * b2 - a2 * b1);
        var v = (a2 * c1 - a1 * c2) / (a2 * b1 - a1 * b2);

        if (elbow) {
          if (ignoreFirst) {
            last = new mxPoint(last.x + a1 * h, last.y + a2 * h);
            result.push(last);
          }

          last = new mxPoint(last.x + b1 * v, last.y + b2 * v);
          result.push(last);
        } else {
          if (ignoreFirst) {
            last = new mxPoint(last.x + b1 * v, last.y + b2 * v);
            result.push(last);
          }

          last = new mxPoint(last.x + a1 * h, last.y + a2 * h);
          result.push(last);
        }
      };

      if (pt == null) {
        pt = new mxPoint(p0.x + (pe.x - p0.x) / 2, p0.y + (pe.y - p0.y) / 2);
      }

      isoLineTo(pt.x, pt.y, true);
      isoLineTo(pe.x, pe.y, false);
    }
  };

  mxStyleRegistry.putValue('isometricEdgeStyle', mxEdgeStyle.IsometricConnector);

  var graphCreateEdgeHandler = Graph.prototype.createEdgeHandler;
  Graph.prototype.createEdgeHandler = function (state, edgeStyle) {
    if (edgeStyle == mxEdgeStyle.IsometricConnector) {
      var handler = new mxElbowEdgeHandler(state);
      handler.snapToTerminals = false;

      return handler;
    }

    return graphCreateEdgeHandler.apply(this, arguments);
  };

  // Defines connection points for all shapes
  IsoRectangleShape.prototype.constraints = [];

  IsoCubeShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var tan30 = Math.tan(mxUtils.toRadians(30));
    var tan30Dx = (0.5 - tan30) / 2;
    var m = Math.min(w, h / (0.5 + tan30));
    var dx = (w - m) / 2;
    var dy = (h - m) / 2;

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx, dy + 0.25 * m));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx + 0.5 * m, dy + m * tan30Dx));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx + m, dy + 0.25 * m));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx + m, dy + 0.75 * m));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx + 0.5 * m, dy + (1 - tan30Dx) * m));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx, dy + 0.75 * m));

    return (constr);
  };

  CalloutShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var arcSize = mxUtils.getValue(this.style, mxConstants.STYLE_ARCSIZE, mxConstants.LINE_ARCSIZE) / 2;
    var s = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var dx = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'position', this.position))));
    var dx2 = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'position2', this.position2))));
    var base = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'base', this.base))));

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.25, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.75, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, (h - s) * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, h - s));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx2, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, h - s));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, (h - s) * 0.5));

    if (w >= s * 2) {
      constr.push(new mxConnectionConstraint(new mxPoint(0.5, 0), false));
    }

    return (constr);
  };

  mxRectangleShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0), true),
    new mxConnectionConstraint(new mxPoint(0.25, 0), true),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.75, 0), true),
    new mxConnectionConstraint(new mxPoint(1, 0), true),
    new mxConnectionConstraint(new mxPoint(0, 0.25), true),
    new mxConnectionConstraint(new mxPoint(0, 0.5), true),
    new mxConnectionConstraint(new mxPoint(0, 0.75), true),
    new mxConnectionConstraint(new mxPoint(1, 0.25), true),
    new mxConnectionConstraint(new mxPoint(1, 0.5), true),
    new mxConnectionConstraint(new mxPoint(1, 0.75), true),
    new mxConnectionConstraint(new mxPoint(0, 1), true),
    new mxConnectionConstraint(new mxPoint(0.25, 1), true),
    new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(0.75, 1), true),
    new mxConnectionConstraint(new mxPoint(1, 1), true)];
  mxEllipse.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0), true), new mxConnectionConstraint(new mxPoint(1, 0), true),
    new mxConnectionConstraint(new mxPoint(0, 1), true), new mxConnectionConstraint(new mxPoint(1, 1), true),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true), new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(0, 0.5), true), new mxConnectionConstraint(new mxPoint(1, 0.5))];
  mxLabel.prototype.constraints = mxRectangleShape.prototype.constraints;
  mxImageShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  mxSwimlane.prototype.constraints = mxRectangleShape.prototype.constraints;
  PlusShape.prototype.constraints = mxRectangleShape.prototype.constraints;

  NoteShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var s = Math.max(0, Math.min(w, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size)))));

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - s) * 0.5, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - s, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - s * 0.5, s * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, s));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, (h + s) * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0.5), false));

    if (w >= s * 2) {
      constr.push(new mxConnectionConstraint(new mxPoint(0.5, 0), false));
    }

    return (constr);
  };

  CardShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var s = Math.max(0, Math.min(w, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size)))));

    constr.push(new mxConnectionConstraint(new mxPoint(1, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + s) * 0.5, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, s, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, s * 0.5, s * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, s));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, (h + s) * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0.5), false));

    if (w >= s * 2) {
      constr.push(new mxConnectionConstraint(new mxPoint(0.5, 0), false));
    }

    return (constr);
  };

  CubeShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var s = Math.max(0, Math.min(w, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'size', this.size)))));

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - s) * 0.5, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - s, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - s * 0.5, s * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, s));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, (h + s) * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + s) * 0.5, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, s, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, s * 0.5, h - s * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, h - s));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, (h - s) * 0.5));

    return (constr);
  };

  FolderShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var dx = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'tabWidth', this.tabWidth))));
    var dy = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'tabHeight', this.tabHeight))));
    var tp = mxUtils.getValue(this.style, 'tabPosition', this.tabPosition);

    if (tp == 'left') {
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx * 0.5, 0));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx, 0));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx, dy));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + dx) * 0.5, dy));
    } else {
      constr.push(new mxConnectionConstraint(new mxPoint(1, 0), false));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - dx * 0.5, 0));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - dx, 0));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - dx, dy));
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - dx) * 0.5, dy));
    }

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, (h - dy) * 0.25 + dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, (h - dy) * 0.5 + dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, (h - dy) * 0.75 + dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, (h - dy) * 0.25 + dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, (h - dy) * 0.5 + dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, (h - dy) * 0.75 + dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0.25, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.75, 1), false));

    return (constr);
  }

  InternalStorageShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  DataStorageShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  TapeDataShape.prototype.constraints = mxEllipse.prototype.constraints;
  OrEllipseShape.prototype.constraints = mxEllipse.prototype.constraints;
  SumEllipseShape.prototype.constraints = mxEllipse.prototype.constraints;
  LineEllipseShape.prototype.constraints = mxEllipse.prototype.constraints;
  ManualInputShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  DelayShape.prototype.constraints = mxRectangleShape.prototype.constraints;

  DisplayShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var dx = Math.min(w, h / 2);
    var s = Math.min(w - dx, Math.max(0, parseFloat(mxUtils.getValue(this.style, 'size', this.size))) * w);

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0.5), false, null));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, s, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (s + w - dx) * 0.5, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - dx, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0.5), false, null));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - dx, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (s + w - dx) * 0.5, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, s, h));

    return (constr);
  };

  ModuleShape.prototype.getConstraints = function (style, w, h) {
    var x0 = parseFloat(mxUtils.getValue(style, 'jettyWidth', ModuleShape.prototype.jettyWidth)) / 2;
    var dy = parseFloat(mxUtils.getValue(style, 'jettyHeight', ModuleShape.prototype.jettyHeight));
    var constr = [new mxConnectionConstraint(new mxPoint(0, 0), false, null, x0),
      new mxConnectionConstraint(new mxPoint(0.25, 0), true),
      new mxConnectionConstraint(new mxPoint(0.5, 0), true),
      new mxConnectionConstraint(new mxPoint(0.75, 0), true),
      new mxConnectionConstraint(new mxPoint(1, 0), true),
      new mxConnectionConstraint(new mxPoint(1, 0.25), true),
      new mxConnectionConstraint(new mxPoint(1, 0.5), true),
      new mxConnectionConstraint(new mxPoint(1, 0.75), true),
      new mxConnectionConstraint(new mxPoint(0, 1), false, null, x0),
      new mxConnectionConstraint(new mxPoint(0.25, 1), true),
      new mxConnectionConstraint(new mxPoint(0.5, 1), true),
      new mxConnectionConstraint(new mxPoint(0.75, 1), true),
      new mxConnectionConstraint(new mxPoint(1, 1), true),
      new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, Math.min(h - 0.5 * dy, 1.5 * dy)),
      new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, Math.min(h - 0.5 * dy, 3.5 * dy))];

    if (h > 5 * dy) {
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0.75), false, null, x0));
    }

    if (h > 8 * dy) {
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0.5), false, null, x0));
    }

    if (h > 15 * dy) {
      constr.push(new mxConnectionConstraint(new mxPoint(0, 0.25), false, null, x0));
    }

    return constr;
  };

  LoopLimitShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  OffPageConnectorShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  mxCylinder.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.15, 0.05), false),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.85, 0.05), false),
    new mxConnectionConstraint(new mxPoint(0, 0.3), true),
    new mxConnectionConstraint(new mxPoint(0, 0.5), true),
    new mxConnectionConstraint(new mxPoint(0, 0.7), true),
    new mxConnectionConstraint(new mxPoint(1, 0.3), true),
    new mxConnectionConstraint(new mxPoint(1, 0.5), true),
    new mxConnectionConstraint(new mxPoint(1, 0.7), true),
    new mxConnectionConstraint(new mxPoint(0.15, 0.95), false),
    new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(0.85, 0.95), false)];
  UmlActorShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.25, 0.1), false),
    new mxConnectionConstraint(new mxPoint(0.5, 0), false),
    new mxConnectionConstraint(new mxPoint(0.75, 0.1), false),
    new mxConnectionConstraint(new mxPoint(0, 1 / 3), false),
    new mxConnectionConstraint(new mxPoint(0, 1), false),
    new mxConnectionConstraint(new mxPoint(1, 1 / 3), false),
    new mxConnectionConstraint(new mxPoint(1, 1), false),
    new mxConnectionConstraint(new mxPoint(0.5, 0.5), false)];
  ComponentShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.25, 0), true),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.75, 0), true),
    new mxConnectionConstraint(new mxPoint(0, 0.3), true),
    new mxConnectionConstraint(new mxPoint(0, 0.7), true),
    new mxConnectionConstraint(new mxPoint(1, 0.25), true),
    new mxConnectionConstraint(new mxPoint(1, 0.5), true),
    new mxConnectionConstraint(new mxPoint(1, 0.75), true),
    new mxConnectionConstraint(new mxPoint(0.25, 1), true),
    new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(0.75, 1), true)];
  mxActor.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.25, 0.2), false),
    new mxConnectionConstraint(new mxPoint(0.1, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0, 0.75), true),
    new mxConnectionConstraint(new mxPoint(0.75, 0.25), false),
    new mxConnectionConstraint(new mxPoint(0.9, 0.5), false),
    new mxConnectionConstraint(new mxPoint(1, 0.75), true),
    new mxConnectionConstraint(new mxPoint(0.25, 1), true),
    new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(0.75, 1), true)];
  SwitchShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0), false),
    new mxConnectionConstraint(new mxPoint(0.5, 0.25), false),
    new mxConnectionConstraint(new mxPoint(1, 0), false),
    new mxConnectionConstraint(new mxPoint(0.25, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.75, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0, 1), false),
    new mxConnectionConstraint(new mxPoint(0.5, 0.75), false),
    new mxConnectionConstraint(new mxPoint(1, 1), false)];
  TapeShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0.35), false),
    new mxConnectionConstraint(new mxPoint(0, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0, 0.65), false),
    new mxConnectionConstraint(new mxPoint(1, 0.35), false),
    new mxConnectionConstraint(new mxPoint(1, 0.5), false),
    new mxConnectionConstraint(new mxPoint(1, 0.65), false),
    new mxConnectionConstraint(new mxPoint(0.25, 1), false),
    new mxConnectionConstraint(new mxPoint(0.75, 0), false)];
  StepShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.25, 0), true),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.75, 0), true),
    new mxConnectionConstraint(new mxPoint(0.25, 1), true),
    new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(0.75, 1), true),
    new mxConnectionConstraint(new mxPoint(0, 0.25), true),
    new mxConnectionConstraint(new mxPoint(0, 0.5), true),
    new mxConnectionConstraint(new mxPoint(0, 0.75), true),
    new mxConnectionConstraint(new mxPoint(1, 0.25), true),
    new mxConnectionConstraint(new mxPoint(1, 0.5), true),
    new mxConnectionConstraint(new mxPoint(1, 0.75), true)];
  mxLine.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.25, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.75, 0.5), false),
    new mxConnectionConstraint(new mxPoint(1, 0.5), false)];
  LollipopShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.5, 0), false),
    new mxConnectionConstraint(new mxPoint(0.5, 1), false)];
  mxDoubleEllipse.prototype.constraints = mxEllipse.prototype.constraints;
  mxRhombus.prototype.constraints = mxEllipse.prototype.constraints;
  mxTriangle.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0.25), true),
    new mxConnectionConstraint(new mxPoint(0, 0.5), true),
    new mxConnectionConstraint(new mxPoint(0, 0.75), true),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(1, 0.5), true)];
  mxHexagon.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.375, 0), true),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.625, 0), true),
    new mxConnectionConstraint(new mxPoint(0, 0.25), true),
    new mxConnectionConstraint(new mxPoint(0, 0.5), true),
    new mxConnectionConstraint(new mxPoint(0, 0.75), true),
    new mxConnectionConstraint(new mxPoint(1, 0.25), true),
    new mxConnectionConstraint(new mxPoint(1, 0.5), true),
    new mxConnectionConstraint(new mxPoint(1, 0.75), true),
    new mxConnectionConstraint(new mxPoint(0.375, 1), true),
    new mxConnectionConstraint(new mxPoint(0.5, 1), true),
    new mxConnectionConstraint(new mxPoint(0.625, 1), true)];
  mxCloud.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.25, 0.25), false),
    new mxConnectionConstraint(new mxPoint(0.4, 0.1), false),
    new mxConnectionConstraint(new mxPoint(0.16, 0.55), false),
    new mxConnectionConstraint(new mxPoint(0.07, 0.4), false),
    new mxConnectionConstraint(new mxPoint(0.31, 0.8), false),
    new mxConnectionConstraint(new mxPoint(0.13, 0.77), false),
    new mxConnectionConstraint(new mxPoint(0.8, 0.8), false),
    new mxConnectionConstraint(new mxPoint(0.55, 0.95), false),
    new mxConnectionConstraint(new mxPoint(0.875, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.96, 0.7), false),
    new mxConnectionConstraint(new mxPoint(0.625, 0.2), false),
    new mxConnectionConstraint(new mxPoint(0.88, 0.25), false)];
  ParallelogramShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  TrapezoidShape.prototype.constraints = mxRectangleShape.prototype.constraints;
  DocumentShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.25, 0), true),
    new mxConnectionConstraint(new mxPoint(0.5, 0), true),
    new mxConnectionConstraint(new mxPoint(0.75, 0), true),
    new mxConnectionConstraint(new mxPoint(0, 0.25), true),
    new mxConnectionConstraint(new mxPoint(0, 0.5), true),
    new mxConnectionConstraint(new mxPoint(0, 0.75), true),
    new mxConnectionConstraint(new mxPoint(1, 0.25), true),
    new mxConnectionConstraint(new mxPoint(1, 0.5), true),
    new mxConnectionConstraint(new mxPoint(1, 0.75), true)];
  mxArrow.prototype.constraints = null;

  TeeShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var dx = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'dx', this.dx))));
    var dy = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'dy', this.dy))));
    var w2 = Math.abs(w - dx) / 2;

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, dy * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w * 0.75 + dx * 0.25, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + dx) * 0.5, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + dx) * 0.5, (h + dy) * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + dx) * 0.5, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - dx) * 0.5, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - dx) * 0.5, (h + dy) * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - dx) * 0.5, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w * 0.25 - dx * 0.25, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, dy * 0.5));

    return (constr);
  };

  CornerShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var dx = Math.max(0, Math.min(w, parseFloat(mxUtils.getValue(this.style, 'dx', this.dx))));
    var dy = Math.max(0, Math.min(h, parseFloat(mxUtils.getValue(this.style, 'dy', this.dy))));

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, dy * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + dx) * 0.5, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx, dy));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx, (h + dy) * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, dx * 0.5, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0.5), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 1), false));

    return (constr);
  };

  CrossbarShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0), false),
    new mxConnectionConstraint(new mxPoint(0, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0, 1), false),
    new mxConnectionConstraint(new mxPoint(0.25, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.5, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.75, 0.5), false),
    new mxConnectionConstraint(new mxPoint(1, 0), false),
    new mxConnectionConstraint(new mxPoint(1, 0.5), false),
    new mxConnectionConstraint(new mxPoint(1, 1), false)];

  SingleArrowShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var aw = h * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowWidth', this.arrowWidth))));
    var as = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowSize', this.arrowSize))));
    var at = (h - aw) / 2;
    var ab = at + aw;

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0.5), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, at));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - as) * 0.5, at));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - as, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0.5), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - as, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w - as) * 0.5, h - at));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, h - at));

    return (constr);
  };

  DoubleArrowShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var aw = h * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowWidth', SingleArrowShape.prototype.arrowWidth))));
    var as = w * Math.max(0, Math.min(1, parseFloat(mxUtils.getValue(this.style, 'arrowSize', SingleArrowShape.prototype.arrowSize))));
    var at = (h - aw) / 2;
    var ab = at + aw;

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0.5), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, as, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w * 0.5, at));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - as, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0.5), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w - as, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w * 0.5, h - at));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, as, h));

    return (constr);
  };

  CrossShape.prototype.getConstraints = function (style, w, h) {
    var constr = [];
    var m = Math.min(h, w);
    var size = Math.max(0, Math.min(m, m * parseFloat(mxUtils.getValue(this.style, 'size', this.size))));
    var t = (h - size) / 2;
    var b = t + size;
    var l = (w - size) / 2;
    var r = l + size;

    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l, t * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 0), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, r, 0));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, r, t * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, r, t));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l, h - t * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0.5, 1), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, r, h));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, r, h - t * 0.5));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, r, b));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + r) * 0.5, t));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, t));
    constr.push(new mxConnectionConstraint(new mxPoint(1, 0.5), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, w, b));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, (w + r) * 0.5, b));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l, b));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l * 0.5, t));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, t));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0.5), false));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, 0, b));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l * 0.5, b));
    constr.push(new mxConnectionConstraint(new mxPoint(0, 0), false, null, l, t));

    return (constr);
  };

  UmlLifeline.prototype.constraints = null;
  OrShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0.25), false),
    new mxConnectionConstraint(new mxPoint(0, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0, 0.75), false),
    new mxConnectionConstraint(new mxPoint(1, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.7, 0.1), false),
    new mxConnectionConstraint(new mxPoint(0.7, 0.9), false)];
  XorShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.175, 0.25), false),
    new mxConnectionConstraint(new mxPoint(0.25, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.175, 0.75), false),
    new mxConnectionConstraint(new mxPoint(1, 0.5), false),
    new mxConnectionConstraint(new mxPoint(0.7, 0.1), false),
    new mxConnectionConstraint(new mxPoint(0.7, 0.9), false)];
  RequiredInterfaceShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0.5), false),
    new mxConnectionConstraint(new mxPoint(1, 0.5), false)];
  ProvidedRequiredInterfaceShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0, 0.5), false),
    new mxConnectionConstraint(new mxPoint(1, 0.5), false)];
})();
